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CVE-2012-1293· NVD / CVE Program· CNA mitre

Multiple cross-site scripting (XSS) vulnerabilities in fup in Frams' Fast File EXchange (F*EX, aka fex) before 20111129-2 allow remote attac

Multiple cross-site scripting (XSS) vulnerabilities in fup in Frams' Fast File EXchange (F*EX, aka fex) before 20111129-2 allow remote attackers to inject arbitrary web script or HTML via the (1) to or (2) from parameters.

MediumCVSS 4.3 · v2.0—No exploit Fix available
Published
Sep 25, 2012
Updated
Jun 16, 2026
EPSS
2.6% · 85th percentile
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Report tools

JSON

Action score

18

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.6%

Affected systems

VendorProduct
ulli horlacherfex

Affected versions

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

  • ulli horlacher fexup to 20111129 inclusive
  • ulli horlacher fex20110609
  • ulli horlacher fex20110610
  • ulli horlacher fex20110614
  • ulli horlacher fex20110615
  • ulli horlacher fex20110616
  • ulli horlacher fex20110621
  • ulli horlacher fex20110622
  • ulli horlacher fex20110627
  • ulli horlacher fex20110630
  • ulli horlacher fex20110701
  • ulli horlacher fex20110714
  • ulli horlacher fex20110716
  • ulli horlacher fex20110722
  • ulli horlacher fex20110726
  • ulli horlacher fex20110727
  • ulli horlacher fex20110730
  • ulli horlacher fex20110731
  • ulli horlacher fex20110803
  • ulli horlacher fex20110807

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12fexbefore 20120215-120120215-1
Debian:6.0fexbefore 20100208+debian1-1+squeeze220100208+debian1-1+squeeze2

Same product

ulli horlacher: all records

Other highest-scoring records for the same primary product.

  • CVE-2014-3875The addto parameter to fup in Frams' Fast File EXchange (F*EX, aka fex) before fex-2014053 allows remote attackers to conduct cross-site scr
    25Monitor
  • CVE-2011-1409Frams's Fast File EXchange (F*EX, aka fex) 20100208, and possibly other versions before 20110610, allows remote attackers to bypass authenti
    21Monitor
  • CVE-2014-3877Incomplete blacklist vulnerability in Frams' Fast File EXchange (F*EX, aka fex) before fex-20140530 allows remote attackers to conduct cross
    18Monitor
  • CVE-2014-3876Multiple cross-site scripting (XSS) vulnerabilities in Frams' Fast File EXchange (F*EX, aka fex) before fex-20140530 allow remote attackers
    18Monitor
  • CVE-2012-0869Cross-site scripting (XSS) vulnerability in fup in Frams' Fast File EXchange (F*EX, aka fex) before 20120215 allows remote attackers to inje
    18Monitor

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
debian:fex20120215-1 · Debian:12Package 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

    If successful

    Confidentiality
    none
    Integrity
    P · data or configuration can be modified
    Availability
    none
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    P
    Availability impact
    None

    Weakness class (CWE)

    CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    CVSS vector

    AV:N/AC:M/Au:N/C:N/I:P/A:N

    nvd-primary

    Root cause

    User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

    The bug in code

    The whole CWE-79 class

    A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

    Vulnerable

    ts
    commentEl.innerHTML = comment.body;

    Fixed

    ts
    commentEl.textContent = comment.body;

    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

    —

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    1. Fix✗ → ✓

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

    References

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

    All records