Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MassEditRegex Extension allows Stored XSS.This issue affects Mediawiki - MassEditRegex Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Published: 2025-07-03
Score: 5.6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-19887 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MassEditRegex Extension allows Stored XSS.This issue affects Mediawiki - MassEditRegex Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
History

Tue, 30 Sep 2025 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Malvineous
Malvineous masseditregex
Mediawiki
Mediawiki mediawiki
CPEs cpe:2.3:a:malvineous:masseditregex:-:*:*:*:*:mediawiki:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Vendors & Products Malvineous
Malvineous masseditregex
Mediawiki
Mediawiki mediawiki

Thu, 03 Jul 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 03 Jul 2025 16:45:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MassEditRegex Extension allows Stored XSS.This issue affects Mediawiki - MassEditRegex Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Title Stored XSS in MassEditRegex
Weaknesses CWE-79
References

Subscriptions

Malvineous Masseditregex
Mediawiki Mediawiki
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2025-07-10T23:29:42.412Z

Reserved: 2025-06-30T15:36:41.721Z

Link: CVE-2025-53500

cve-icon Vulnrichment

Updated: 2025-07-03T17:45:14.092Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-03T17:15:39.990

Modified: 2025-09-30T20:26:58.237

Link: CVE-2025-53500

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses