CVE-2020-35622

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
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.
Overview
  • CVE ID
  • CVE-2020-35622
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-12-21T23:15:12
  • Last Modified Date
  • 2020-12-22T17:50:56
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1 OR 1.35.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://phabricator.wikimedia.org/T268341 Third Party Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744 Issue Tracking Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-35622
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35622
History
Created Old Value New Value Data Type Notes
2022-05-10 07:29:38 Added to TrackCVE
2022-12-05 18:39:27 2020-12-21T23:15Z 2020-12-21T23:15:12 CVE Published Date updated
2022-12-05 18:39:27 2020-12-22T17:50:56 CVE Modified Date updated
2022-12-05 18:39:27 Analyzed Vulnerability Status updated