CVE-2025-40723 - CVE House
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Status published Medium CVE-2025-40723

Stored Cross-Site Scripting (XSS) vulnerability on Flatboard

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Rafael Pedrero

References

More from Flatboard Pro

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CVE-2025-40722
Stored Cross-Site Scripting (XSS) vulnerability on Flatboard
Medium 5.1

Affected Vendor

Flatboard Pro

View all reports →

Affected Software

Flatboard
Vulnerable Versions:
0

Timeline

Official Publish: July 3rd, 2025
Last Modified: July 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact