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CVE-2013-2031
MediaWiki before 1.19.6 and 1.20.x before 1.20.5 allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by…
- 4.3MediumCVSS base score
- 2.5%Exploitation in 30 daysEPSS · top 15% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
MediaWiki before 1.19.6 and 1.20.x before 1.20.5 allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a CDATA section containing valid UTF-7 encoded sequences in a SVG file, which is then incorrectly interpreted as UTF-8 by Chrome and Firefox.
Timeline
ID reserved
By redhat
- 9 months later
· 9 months later
Published
- 11 years later
· 11 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)
- 2.5% · top 15% of all CVEs (11 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
References11
- FEDORA-2013-7714 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 57472 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.wikimedia.org/show_bug.cgi?id=47304 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 55433 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2891 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FEDORA-2013-7654 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2013-7701 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 59594 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201310-21 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [MediaWiki-announce] 20130430 MediaWiki Security Release: 1.20.5 and 1.19.6 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20130501 Re: Mediawiki CVE request ( was Fw: [MediaWiki-announce] MediaWiki Security Release: 1.20.5 and 1.19.6) (opens in a new tab)mailing-listx_refsource_MLISTx_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-2013-2017 (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-2013-2031)Record last updated .