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Fencer Intel
medium 4.3

CVE-2012-3522 json

GeSHi vulnerable to Cross-site Scripting

published 2014-06-13 12 y ago modified 2026-06-16 4 mo ago also GHSA-f3f3-5q5j-6v47 , EUVD-2012-3477

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in contrib/langwiz.php in GeSHi before 1.0.8.11 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Patch / fix

  • packagist geshi/geshi 1.0.8.11

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-3522 updated cvss 4.3

php-geshi: Non-persistent XSS in langwiz contrib script

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sourceforge.net http://sourceforge.net/p/geshi/code/2508/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
packagist geshi/geshi
<1.0.8.11
1.0.8.11

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.