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

Author: Beatriz Fresno Naumova (beafn28), Snow1nd

Date: 14/01/2026

Vendor: Typesetter CMS

Product: Typesetter CMS

Versions affected: ≤ 5.1

Component: Administrative interface – Tools / Status (move message handling) (include/admin/Tools/Status.php)

CWE: CWE-79 – Improper Neutralization of Input During Web Page Generation (XSS)

Attack type: Remote

Impact: Cross-Site Scripting (XSS)

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Description

Typesetter CMS versions up to and including 5.1 are affected by a reflected Cross-Site Scripting (XSS) vulnerability in the administrative interface, specifically within the Tools / Status move message handling functionality. The path parameter is reflected into the HTML output without proper context-aware output encoding in include/admin/Tools/Status.php.

An authenticated attacker can supply crafted input containing malicious HTML or JavaScript, resulting in arbitrary script execution within the context of an authenticated user’s browser session. This vulnerability may be leveraged to hijack sessions, execute unauthorized actions, or further compromise administrative functionality.

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Impact

Primary impact:

  • Execution of arbitrary JavaScript in an authenticated user’s browser session

Consequences:

  • Session hijacking

  • Unauthorized administrative actions

  • Potential escalation to broader application compromise

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CVSS Details

CVSS v4.0 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Base Score: 4.8 (Medium)

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Solution

No official fix is currently available, as the project appears to be no longer actively maintained.

Recommendation:

  • Restrict access to administrative interfaces to trusted users only

  • Apply strict context-aware output encoding for all user-controlled parameters

  • Avoid reflecting unsanitized input in administrative messages

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Mitigation

  • Properly validate and encode all user-supplied input before rendering it in HTML

  • Minimize reflection of request parameters in administrative pages

  • Conduct regular security assessments of administrative components

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Discoverer

Beatriz Fresno Naumova (beafn28)

Snow1nd

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References

PreviousTypesetter CMS Reflected XSS via Status.php (CVE-2025-71165)

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