CVE-2025-23868: WordPress Chess Tempo Viewer plugin <= 0.9.5 - Stored Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-16 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mliebelt Chess Tempo Viewer chesstempoviewer allows Stored XSS.This issue affects Chess Tempo Viewer: from n/a through <= 0.9.5.

Affected products

mliebelt Chess Tempo Viewer: through 0.9.5

References

https://patchstack.com/database/Wordpress/Plugin/chesstempoviewer/vulnerability/wordpress-chess-tempo-viewer-plugin-0-9-5-stored-cross-site-scripting-xss-vulnerability?_s_id=cve

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