Mediawiki – HTML Tags XSS (CVE-2025-32073) 1.39–1.43: CVE-2025-32073 April 2025

System message XSS in HTMLTags
Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - HTML Tags allows Cross-Site Scripting (XSS).This issue affects Mediawiki - HTML Tags: from 1.39 through 1.43.

Vulnerability Analysis

CVE-2025-32073 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

LOW

User Interaction:

REQUIRED

Scope:

CHANGED

Confidentiality Impact:

LOW

Integrity Impact:

LOW

Availability Impact:

NONE

Weakness Type

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Products Associated with CVE-2025-32073

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Affected Versions

Exploit Probability

EPSS

0.15%

Percentile

35.50%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.