CVE-2025-55422

CVE-2025-55422 is a high-severity vulnerability in Foxcms with a CVSS 3.x base score of 8.8. 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

Description

In FoxCMS 1.2.6, there is a reflected Cross Site Scripting (XSS) vulnerability in /index.php/plus.

Frequently asked questions

What is CVE-2025-55422?
In FoxCMS 1.2.6, there is a reflected Cross Site Scripting (XSS) vulnerability in /index.php/plus.
How severe is CVE-2025-55422?
CVE-2025-55422 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-55422 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55422?
CVE-2025-55422 affects Foxcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55422?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-55422 have an EU (EUVD) identifier?
Yes. CVE-2025-55422 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25914.
When was CVE-2025-55422 published?
CVE-2025-55422 was published on 2025-08-27 and last updated on 2026-07-05.

References

EU advisories (EUVD)

Affected products (1)

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