CVE-2021-46147
HIGHCVSS 8.8/10EPSS 0.53%
Last modified
CVE-2021-46147 is a high-severity vulnerability rated 8.8/10 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. MassEditRegex allows CSRF.. EPSS estimates a 0.53% 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. MassEditRegex allows CSRF.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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://gerrit.wikimedia.org/r/q/I5980de35b0a01b5242b68b7b0bdc08adf5d968d8Third Party Advisory
- https://phabricator.wikimedia.org/T293341Third Party Advisory
- https://gerrit.wikimedia.org/r/q/I5980de35b0a01b5242b68b7b0bdc08adf5d968d8Third Party Advisory
- https://phabricator.wikimedia.org/T293341Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46147?
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. MassEditRegex allows CSRF.
How severe is CVE-2021-46147?
CVE-2021-46147 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46147?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-46147?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST