CVE-2012-1582 json
Cross-site scripting (XSS) vulnerability in the wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote at…
published 2012-09-09 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1599
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in the wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to inject arbitrary web script or HTML via a crafted page with "forged strip item markers," as demonstrated using the CharInsert extension.
Patch / fix
- mediawiki Debian 14, Debian 13, Debian 12 1:1.15.5-9
debian advisories DEBIAN-CVE-2012-1582
Exploit prediction
2.38% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).
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
-
lists.wikimedia.org
/pipermail/mediawiki-announce/2012-March/000110.html
mailing-list, vendor-advisory
-
secunia.com
/advisories/48504
third-party-advisory, vendor-advisory
-
lists.wikimedia.org
/pipermail/mediawiki-announce/2012-March/000109.html
mailing-list, vendor-advisory
-
openwall.com
/lists/oss-security/2012/03/24/1
mailing-list
- bugzilla.wikimedia.org /show_bug.cgi?id=35315
-
osvdb.org
/80363
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/74288
vdb-entry
-
openwall.com
/lists/oss-security/2012/03/22/9
mailing-list
-
securityfocus.com
/bid/52689
vdb-entry
Sources
- CVE List CVE-2012-1582
- NVD CVE-2012-1582
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.