Back
CVE-2015-6734
Cross-site scripting (XSS) vulnerability in contrib/cssgen.php in the GeSHi, as used in the SyntaxHighlight_GeSHi extension and MediaWiki…
- 4.3MediumCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Cross-site scripting (XSS) vulnerability in contrib/cssgen.php in the GeSHi, as used in the SyntaxHighlight_GeSHi extension and MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Timeline
ID reserved
By mitre
- 5 days later
· 5 days later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
7
- GLSA-201510-05 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20150827 Re: CVE Request: MediaWiki 1.25.2, 1.24.3, 1.23.10 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://phabricator.wikimedia.org/T108198 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20150812 CVE Request: MediaWiki 1.25.2, 1.24.3, 1.23.10 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [MediaWiki-announce] 20150810 MediaWiki Security and Maintenance Releases: 1.25.2, 1.24.3, 1.23.10 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2015-13920 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 76361 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-6672 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-6734)Record last updated .