Vulnerability · Published Jul 3, 2025 · Assigned by INCIBE
CVE-2025-40723Stored Cross-Site Scripting (XSS) vulnerability on Flatboard
Medium 5.1
In plain English
A medium-severity cross-site scripting in Flatboard from Flatboard Pro. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.3%top 72.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Flatboard Pro | Flatboard | 0 – before 3.2.2 |
Weakness: CWE-79 · Vector: 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