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CVE-2012-4885
The wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to cause a denial of service…
Medium5.0EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to cause a denial of service (infinite loop) via certain input, as demonstrated by the padleft function.
Timeline
ID reserved
By mitre
Published
- 12 years later
· 12 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 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- [oss-security] 20120323 CVEs for MediaWiki security and maintenance release 1.18.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.18.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 48504 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.wikimedia.org/show_bug.cgi?id=35315 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.wikimedia.org/show_bug.cgi?id=22555 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.17.3 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120322 MediaWiki security and maintenance release 1.18.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 52689 (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)
- 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-2012-4885)Record last updated .