CVE-2020-35622 — MEDIUM (6.1)

Q: How severe is CVE-2020-35622?

CVE-2020-35622 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-35622?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.

Vulnerability Description

An issue was discovered in the GlobalUsage extension for MediaWiki through 1.35.1. SpecialGlobalUsage.php calls WikiMap::makeForeignLink unsafely. The $page variable within the formatItem function was not being properly escaped, allowing for XSS under certain conditions.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Mediawiki	Mediawiki	<= 1.35.1

Related Weaknesses (CWE)

CWE-79

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744Issue TrackingPatchThird Party Advisory
https://phabricator.wikimedia.org/T268341Third Party Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744Issue TrackingPatchThird Party Advisory
https://phabricator.wikimedia.org/T268341Third Party Advisory

FAQ

What is CVE-2020-35622?

CVE-2020-35622 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An issue was discovered in the GlobalUsage extension for MediaWiki through 1.35.1. SpecialGlobalUsage.php calls WikiMap::makeForeignLink unsafely. The $page variable within the formatItem function was...

How severe is CVE-2020-35622?

CVE-2020-35622 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-2020-35622?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.