CVE-2019-12468
highpriority · track · 40OT risk · elevatedEPSS 0.033 · 89 %ileEURUUSEPSS · scored 2026-10-27
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (10)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-wrhx-3pxr-6vggWikimedia MediaWiki Incorrect Access Control vulnerability2022-05-24ghsa · osvUS
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (20)
External citations — patches, advisories, analysis.
- http://www.debian.org/security/2019/dsa-4460cnnvd
- https://lists.wikimedia.org/pipermail/mediawiki-announce/cnnvd
- https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-12468cnnvd
- https://phabricator.wikimedia.org/T197279cnnvd
- https://seclists.org/bugtraq/2019/Jun/12cnnvd
- https://vigilance.fr/vulnerability/MediaWiki-multiple-vulnerabilities-29517cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.2078/cnnvd
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