Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-61638

Severity CVSS v4.0:
NONE
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
03/02/2026
Last modified:
16/03/2026

Description

Improper Neutralization of Input During Web Page Generation (XSS or &amp;#39;Cross-site Scripting&amp;#39;) vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php.<br /> <br /> This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U CVSS v4.0 Severity and Metrics:

Base Score: 0.00 NONE
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): Present
Privileges Required (PR): Low
User Interaction (UI): Passsive
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Exploit Maturity (E): Unreported

Base Score 4.0
0.00
Severity 4.0
NONE
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x
4.80
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1.39.14 (excluding)
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1.39.15 (including) 1.43.4 (excluding)
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1.43.5 (including) 1.44.1 (excluding)
cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:* 0.16.6 (excluding)
cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:* 0.16.6 (excluding) 0.20.4 (excluding)
cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:* 0.20.4 (excluding) 0.21.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools