CVE-2020-35622
MEDIUM
6.1
CVSS Score
Published: December 21, 2020 at 10:37 PM UTC
Updated: June 17, 2026 at 03:14 AM UTC
1 product affected across 1 vendorMediaWiki
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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.35.1
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744x_refsource_MISCThird Party Advisory
Source: [email protected]
https://phabricator.wikimedia.org/T268341CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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