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Weakness (CWE) CWE-79 Improper Neutralization of Input During Web Page Generation 1 CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page 1

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TI-2026-37959 CVE-2026-52854 · GHSA-4h7g-5542-v3fc

mediawiki/maps: Stored XSS through the overlays parameter in the display_map parser function

Priority HIGH 76

Maps is a MediaWiki extension that enables visualization of geographic data through dynamic embedded maps.

CVSS 3.1HIGH 8.6· Network · No auth · No interaction · EPSS 0.00578 · Published 2026-08-18 · Fixed in 12.1.3 CWE-79

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