CVE-2025-40723

5.1 mediumEPSS 0.3%

Medium (5.1). EPSS 0.3% chance of exploitation in the next 30 days.

Stored Cross-Site Scripting (XSS) vulnerability in versions prior to Flatboard 3.2.2 of Flatboard Pro, consisting of a stored XSS due to lack of proper validation of user input, through the footer_text and announcement parameters in config.php.

Severity

CVSS 4.0

5.1 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-07-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-stored-cross-site-scripting-xss-vulnerabilities-flatboard-pro

Check your stack JSON