CVE-2021-42042

CVSS V2 Low 3.5 CVSS V3 Medium 4.8
Description
An issue was discovered in SpecialEditGrowthConfig in the GrowthExperiments extension in MediaWiki through 1.36.2. The growthexperiments-edit-config-error-invalid-title MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.
Overview
  • CVE ID
  • CVE-2021-42042
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-06T21:15:07
  • Last Modified Date
  • 2021-10-14T20:19:48
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 1.36.2
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 4.8
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.7
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://phabricator.wikimedia.org/T290692 Issue Tracking Patch Vendor Advisory
https://gerrit.wikimedia.org/r/q/Ibeb13d032ca044af53f6b2334e27b6b97b6f4e9f Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-42042
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42042
History
Created Old Value New Value Data Type Notes
2022-05-10 06:51:38 Added to TrackCVE
2022-12-05 11:58:33 2021-10-06T21:15Z 2021-10-06T21:15:07 CVE Published Date updated
2022-12-05 11:58:33 2021-10-14T20:19:48 CVE Modified Date updated
2022-12-05 11:58:33 Analyzed Vulnerability Status updated