CVE-2025-40723

Stored Cross-Site Scripting (XSS) vulnerability on Flatboard

Description

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.

Remediation

Solution:

  • The vulnerability has been fixed by the Flatboard Pro team in version 3.2.2.

Category

5.1
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.04%
Affected: Flatboard Pro Flatboard
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-40723?
CVE-2025-40723 has been scored as a medium severity vulnerability.
How to fix CVE-2025-40723?
To fix CVE-2025-40723: The vulnerability has been fixed by the Flatboard Pro team in version 3.2.2.
Is CVE-2025-40723 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-40723 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-40723?
CVE-2025-40723 affects Flatboard Pro Flatboard.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.