What is CVE-2025-40723?

CVE-2025-40723 is a vulnerability in Flatboard Pro, classified under Cross-site Scripting. Published 2025-07-03.

Is CVE-2025-40723 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Flatboard Pro

CVE-2025-40723

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.8th percentile) — read the EPSS interpretation.

Affected products

Flatboard Pro — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve-coordination@incibe.es

Frequently asked questions

What is CVE-2025-40723?: CVE-2025-40723 is a vulnerability in Flatboard Pro, classified under Cross-site Scripting. Published 2025-07-03.
Is CVE-2025-40723 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.