How severe is CVE-2025-71166?

CVE-2025-71166 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-71166 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-71166?

CVE-2025-71166 affects Typesettercms Typesetter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-71166?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-71166 have an EU (EUVD) identifier?

Yes. CVE-2025-71166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2434.

When was CVE-2025-71166 published?

CVE-2025-71166 was published on 2026-01-14 and last updated on 2026-06-17.

CVE-2025-71166

CVE-2025-71166 is a medium-severity vulnerability in Typesettercms Typesetter with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 4.8
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2434
Weakness: CWE-79
Affected product: Typesettercms Typesetter
Published: 2026-01-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-71166?: 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.
How severe is CVE-2025-71166?: CVE-2025-71166 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-71166 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-71166?: CVE-2025-71166 affects Typesettercms Typesetter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-71166?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-71166 have an EU (EUVD) identifier?: Yes. CVE-2025-71166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2434.
When was CVE-2025-71166 published?: CVE-2025-71166 was published on 2026-01-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:typesettercms:typesetter:*:*:*:*:*:*:*:*

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