XSS in Foxcms

CVE-2025-55422

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (34.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Foxcms — versions 1.2.6
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55422?
CVE-2025-55422 is a high-severity vulnerability in Foxcms, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2025-08-27.
How severe is CVE-2025-55422?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-55422 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.