CVE-2013-4305 json
Cross-site scripting (XSS) vulnerability in contrib/example.php in the SyntaxHighlight GeSHi extension for MediaWiki, possibly as downloade…
published 13y ago modified 4mo ago also EUVD-2013-4199
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in contrib/example.php in the SyntaxHighlight GeSHi extension for MediaWiki, possibly as downloaded before September 2013, allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO.
Patch / fix
Is CVE-2013-4305 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- bugzilla.wikimedia.org https://bugzilla.wikimedia.org/show_bug.cgi?id=49070 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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
seclists.org
/oss-sec/2013/q3/553
mailing-list, patch
-
bugzilla.wikimedia.org
/show_bug.cgi?id=49070
exploit, patch
-
lists.wikimedia.org
/pipermail/mediawiki-announce/2013-September/000133.html
mailing-list
-
osvdb.org
/96909
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/86890
vdb-entry
Sources
- CVE List CVE-2013-4305
- NVD CVE-2013-4305
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