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CVE-2015-2933
Cross-site scripting (XSS) vulnerability in the Html class in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2…
- 4.3MediumCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 19% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Cross-site scripting (XSS) vulnerability in the Html class in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2 allows remote attackers to inject arbitrary web script or HTML via a LanguageConverter substitution string when using a language variant.
Timeline
ID reserved
By mitre
- 6 days later
· 6 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 19% 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
- MDVSA-2015:200 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 73477 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20150407 Re: CVE request: MediaWiki 1.24.2/1.23.9/1.19.24 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20150331 CVE request: MediaWiki 1.24.2/1.23.9/1.19.24 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [MediaWiki-announce] 20150331 MediaWiki Security and Maintenance Releases: 1.19.24, 1.23.9, and 1.24.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://phabricator.wikimedia.org/T73394 (opens in a new tab)x_refsource_CONFIRMx_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-2015-3018 (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-2015-2933)Record last updated .