What is CVE-2025-53488?

CVE-2025-53488 is a medium-severity vulnerability in Wikimedia Foundation Mediawiki - Wikihiero Extension, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-07-07.

How severe is CVE-2025-53488?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Wikimedia Foundation Mediawiki - Wikihiero Extension

CVE-2025-53488

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiHiero Extension allows Stored XSS.This issue affects Mediawiki - WikiHiero Extension: from 1…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Wikimedia Foundation Mediawiki - Wikihiero Extension — versions 1.43.x

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-53488?: CVE-2025-53488 is a medium-severity vulnerability in Wikimedia Foundation Mediawiki - Wikihiero Extension, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-07-07.
How severe is CVE-2025-53488?: Medium severity. CVSS v3 base score is 6.1 out of 10.