CVE-2025-53500

MEDIUM EPSS 15.2%
Published Jul 3, 202512mo ago · Modified Jun 17, 20262w ago
5.6 CVSS 3.1
Medium
Find Similar
Published Jul 3, 2025 12mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.6
Exploitability
2.2
Impact
3.4
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
15.2% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 4

VendorProductVersionRange
malvineousmasseditregex*any
mediawikimediawiki*≥1.39.0  –  <1.39.12
mediawikimediawiki*≥1.42.0  –  <1.42.7
mediawikimediawiki*≥1.43.0  –  <1.43.2

References 2

Remediation