CVE-2025-71166: Typesetter CMS Reflected XSS via Move Message Handling

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-14 · updated 2026-07-14
Weakness: CWE-79

Description

Typesetter CMS versions up to and including 5.1 contain a reflected cross-site scripting (XSS) vulnerability in the administrative interface within the Tools Status move message handling. The path parameter is reflected into the HTML output without proper output encoding in include/admin/Tools/Status.php. An authenticated attacker can supply crafted input containing HTML or JavaScript, resulting in arbitrary script execution in the context of an authenticated user's browser session.

Affected products

Typesetter: through 5.1

References

https://github.com/Typesetter/Typesetter
https://github.com/Typesetter/Typesetter/issues/707
https://www.vulncheck.com/advisories/typesetter-cms-reflected-xss-via-move-message-handling

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