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CVE-2018-12381· NVD / CVE Program· CNA mozilla

Manually dragging and dropping an Outlook email message into the browser will trigger a page navigation when the message's mail columns are

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.8% (FIRST EPSS); higher than 78.8% 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: MozillaFirefox (SUSE:Linux Enterprise Module for Desktop Applications 15) 60.2.0-3.10.1; MozillaFirefox-branding-SLE (SUSE:Linux Enterprise Module for Desktop Applications 15) 60-4.3.1; apache2-mod_nss (SUSE:OpenStack Cloud 7) 1.0.14-19.6.3.

Low priority for now. Upgrade to MozillaFirefox (SUSE:Linux Enterprise Module for Desktop Applications 15) 60.2.0-3.10.1; MozillaFirefox-branding-SLE (SUSE:Linux Enterprise Module for Desktop Applications 15) 60-4.3.1; apache2-mod_nss (SUSE:OpenStack Cloud 7) 1.0.14-19.6.3 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

Manually dragging and dropping an Outlook email message into the browser will trigger a page navigation when the message's mail columns are incorrectly interpreted as a URL. *Note: this issue only affects Windows operating systems with Outlook installed. Other operating systems are not affected.*. This vulnerability affects Firefox ESR < 60.2 and Firefox < 62.

MediumCVSS 5.3 · v3.0—No exploit Fix available
Published
Oct 18, 2018
Updated
Jun 16, 2026
EPSS
1.8% · 78th 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 · 1.8%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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

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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
mozillafirefox
microsoftwindows

Affected versions

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

  • mozilla firefoxbefore 60.2.0
  • mozilla firefoxbefore 62.0

Versions reported by the vendor

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

  • Mozilla Firefox

    • unspecified and later · before 62affected

  • Mozilla Firefox ESR

    • unspecified and later · before 60.2affected

Package-level exposure

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

EcosystemPackageAffected rangeFix
SUSE:Linux Enterprise Module for Desktop Applications 15MozillaFirefoxbefore 60.2.0-3.10.160.2.0-3.10.1
SUSE:Linux Enterprise Module for Desktop Applications 15MozillaFirefox-branding-SLEbefore 60-4.3.160-4.3.1
SUSE:OpenStack Cloud 7apache2-mod_nssbefore 1.0.14-19.6.31.0.14-19.6.3
SUSE:OpenStack Cloud 7mozilla-nsprbefore 4.19-19.3.14.19-19.3.1
SUSE:OpenStack Cloud 7mozilla-nssbefore 3.36.4-58.15.33.36.4-58.15.3
SUSE:OpenStack Cloud 7MozillaFirefoxbefore 60.2.2esr-109.46.160.2.2esr-109.46.1
SUSE:OpenStack Cloud 7MozillaFirefox-branding-SLEbefore 60-32.3.160-32.3.1

Same product

mozilla: all records

Other highest-scoring records for the same primary product.

  • CVE-2010-3765Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x befKEV
    94Now
  • CVE-2019-11708Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxeKEV
    87Now
  • CVE-2015-4495The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypassKEV
    86Now

Published before and after this one in the same product

  • ← EarlierCVE-2018-12375Oct 18, 2018 · Memory safety bugs present in Firefox 61.
    36Monitor
  • ← EarlierCVE-2018-12379Oct 18, 2018 · When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading
    31Monitor
  • Later →CVE-2018-12382Oct 18, 2018 · The displayed addressbar URL can be spoofed on Firefox for Android using a javascript: URI in concert with JavaScript to insert text before
    22Monitor

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
suse:apache2-mod_nss1.0.14-19.6.3 · SUSE:OpenStack Cloud 7Package registry (OSV)
suse:mozilla-nspr4.19-19.3.1 · SUSE:OpenStack Cloud 7Package registry (OSV)
suse:mozilla-nss3.36.4-58.15.3 · SUSE:OpenStack Cloud 7Package registry (OSV)
suse:MozillaFirefox60.2.0-3.10.1 · SUSE:Linux Enterprise Module for Desktop Applications 15Package registry (OSV)
suse:MozillaFirefox-branding-SLE60-4.3.1 · SUSE:Linux Enterprise Module for Desktop Applications 15Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

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.

No credits in the CNA record.

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).

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-610 · Externally Controlled Reference to a Resource in Another Sphere

CVSS vector

CVSS:3.0/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.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

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

References

Show all references (5 more)

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

All records