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

**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 (`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)

#### Description

Typesetter CMS versions up to and including 5.1 contain a reflected Cross-Site Scripting (XSS) vulnerability in the administrative interface, specifically within the *Tools / Status* functionality. The `path` parameter is reflected into the HTML response without proper output encoding in `include/admin/Tools/Status.php`.

An authenticated attacker can supply crafted input containing malicious HTML or JavaScript code, which is then executed in the context of the authenticated user's browser session. This may allow the attacker to perform unauthorized actions, hijack sessions, or further compromise the administrative environment.

#### 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

#### 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)

#### Solution

No official fix is currently available, as the project appears to be no longer actively maintained.

**Recommendation:**

* Limit access to administrative interfaces to trusted users only
* Apply proper context-aware output encoding for all user-supplied input
* Sanitize and validate parameters reflected in HTML responses

#### Mitigation

* Implement strict output encoding for variables reflected in HTML content
* Avoid reflecting user-controlled input directly into administrative pages
* Conduct periodic security reviews of administrative components

#### Discoverer

Beatriz Fresno Naumova (beafn28)

Snow1nd

#### References

* **CVE Record:** <https://www.cve.org/CVERecord?id=CVE-2025-71165>
* **VulnCheck:** <https://www.vulncheck.com/advisories/typesetter-cms-reflected-xss-via-status-php>
* **Typesetter:** <https://github.com/Typesetter/Typesetter>


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