Vulnerability Description
An issue was discovered in the PageForms extension for MediaWiki through 1.35.2. Crafted payloads for Token-related query parameters allowed for XSS on certain PageForms-managed MediaWiki pages.
CVSS Score
6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | <= 1.35.2 |
Related Weaknesses (CWE)
References
- https://gerrit.wikimedia.org/r/q/I20b63bd38779d2ccbe2d86f9879df85ca3b685f6Issue TrackingThird Party Advisory
- https://gerrit.wikimedia.org/r/q/I5e0abbc2f80e6bda255b3b32a4df39a7fe7d3793Issue TrackingThird Party Advisory
- https://gerrit.wikimedia.org/r/q/Ibe68b070ee791cd0c8e7f50eb04ac4e066b1512cIssue TrackingThird Party Advisory
- https://phabricator.wikimedia.org/T259433Third Party Advisory
- https://gerrit.wikimedia.org/r/q/I20b63bd38779d2ccbe2d86f9879df85ca3b685f6Issue TrackingThird Party Advisory
- https://gerrit.wikimedia.org/r/q/I5e0abbc2f80e6bda255b3b32a4df39a7fe7d3793Issue TrackingThird Party Advisory
- https://gerrit.wikimedia.org/r/q/Ibe68b070ee791cd0c8e7f50eb04ac4e066b1512cIssue TrackingThird Party Advisory
- https://phabricator.wikimedia.org/T259433Third Party Advisory
FAQ
What is CVE-2021-31551?
CVE-2021-31551 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An issue was discovered in the PageForms extension for MediaWiki through 1.35.2. Crafted payloads for Token-related query parameters allowed for XSS on certain PageForms-managed MediaWiki pages.
How severe is CVE-2021-31551?
CVE-2021-31551 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-31551?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.