CVE-2021-46150
Last modified
CVE-2021-46150 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Special:CheckUserLog allows CheckUser XSS because of date mishandling, as demonstrated by an XSS payload in MediaWiki:October.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.
Description
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Special:CheckUserLog allows CheckUser XSS because of date mishandling, as demonstrated by an XSS payload in MediaWiki:October.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | < 1.35.5 |
| Mediawiki | Mediawiki | >= 1.36.0, < 1.36.3 |
| Mediawiki | Mediawiki | >= 1.37.0, < 1.37.1 |
References
- https://phabricator.wikimedia.org/T292795Exploit, Third Party Advisory
- https://phabricator.wikimedia.org/T292795Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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