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CVE-2023-2255· NVD / CVE Program· CNA Document Fdn.

Remote documents loaded without prompt via IFrame

Noroxi assessment

Priority: Monitor (action score 22/100)

  • Public proof-of-concept code exists (GitHub); there is no record of exploitation in the wild.
  • Probability of exploitation in the next 30 days: 2.2% (FIRST EPSS); higher than 82.4% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: autocorr-af (AlmaLinux:8) 1:6.4.7.2-15.el8.alma; autocorr-bg (AlmaLinux:8) 1:6.4.7.2-15.el8.alma; autocorr-ca (AlmaLinux:8) 1:6.4.7.2-15.el8.alma.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to autocorr-af (AlmaLinux:8) 1:6.4.7.2-15.el8.alma; autocorr-bg (AlmaLinux:8) 1:6.4.7.2-15.el8.alma; autocorr-ca (AlmaLinux:8) 1:6.4.7.2-15.el8.alma or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Improper access control in editor components of The Document Foundation LibreOffice allowed an attacker to craft a document that would cause external links to be loaded without prompt. In the affected versions of LibreOffice documents that used "floating frames" linked to external files, would load the contents of those frames without prompting the user for permission to do so. This was inconsistent with the treatment of other linked content in LibreOffice. This issue affects: The Document Foundation LibreOffice 7.4 versions prior to 7.4.7; 7.5 versions prior to 7.5.3.

MediumCVSS 5.3 · v3.1—Proof of concept Fix available
Published
May 25, 2023
Updated
Jun 17, 2026
EPSS
2.2% · 82th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.2%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • Proof of concept exists, no weaponized module
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-2255

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
libreofficelibreoffice
debiandebian linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux11.0
  • libreoffice libreoffice7.4.0 and later · before 7.4.7
  • libreoffice libreoffice7.5.0 and later · before 7.5.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Document Fdn.). Independent of NVD's CPE analysis and usually ahead of it.

  • The Document Foundation LibreOffice

    • 7.4 and later · before 7.4.7affected
    • 7.5 and later · before 7.5.3affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:8autocorr-afbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-bgbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-cabefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-csbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-dabefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-debefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-enbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-esbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-fabefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-fibefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-frbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-gabefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-hrbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-hubefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-isbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-itbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-jabefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-kobefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-lbbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-ltbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-mnbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-nlbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-plbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma
AlmaLinux:8autocorr-ptbefore 1:6.4.7.2-15.el8.alma1:6.4.7.2-15.el8.alma

+96

Same product

libreoffice: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-9851LibreLogo global-event script execution
    62This week
  • CVE-2018-16858It was found that libreoffice before versions 6.0.7 and 6.1.3 was vulnerable to a directory traversal attack which could be used to execute
    60This week
  • CVE-2018-10583An information disclosure vulnerability occurs when LibreOffice 6.0.3 and Apache OpenOffice Writer 4.1.5 automatically process and initiate
    60This week

Published before and after this one in the same product

  • ← EarlierCVE-2022-3140Oct 11, 2022 · Macro URL arbitrary script execution
    27Monitor
  • ← EarlierCVE-2023-0950May 25, 2023 · Array Index UnderFlow in Calc Formula Parsing
    31Monitor
  • Later →CVE-2023-1183Jul 10, 2023 · Arbitrary file write
    41Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
almalinux:autocorr-af1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-bg1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-ca1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-cs1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-da1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-de1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-dsb1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-el1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-en1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-es1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-fa1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
almalinux:autocorr-fi1:7.1.8.1-11.el9.alma · AlmaLinux:9Package registry (OSV)
debian:libreoffice4:7.4.5-3 · Debian:12Package registry (OSV)
opensuse:libreoffice7.5.4.1-150400.17.12.4 · openSUSE:Leap 15.4Package registry (OSV)
opensuse:xmlsec11.2.37-150400.14.3.4 · openSUSE:Leap Micro 5.3Package registry (OSV)
red hat:autocorr-af1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-bg1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-ca1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-cs1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-da1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-de1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-dsb1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-el1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-en1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-es1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-fa1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:autocorr-fi1:7.1.8.1-11.el9 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
suse:atk2.28.1-6.5.23 · SUSE:Linux Enterprise Server for SAP Applications 12 SP4Package registry (OSV)
suse:dragonbox1.1.3-8.3.48 · SUSE:Linux Enterprise Workstation Extension 12 SP5Package registry (OSV)
suse:fixmath2022.07.20-8.3.48 · SUSE:Linux Enterprise Workstation Extension 12 SP5Package registry (OSV)

+3

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Proof-of-concept repository on GitHub ×3

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Proof-of-concept repository on GitHubstars:662023-07-10
Proof-of-concept repository on GitHubstars:02024-04-27
Proof-of-concept repository on GitHubstars:02025-04-08

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+45 d
  3. TodayOct 20, 2026+1244 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-264 · Permissions, Privileges, and Access Controls

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records