Read the docs
TI-2025-27191 Aliases CVE-2025-40723GHSA-j7j3-j59j-p82h

Stored Cross-Site Scripting (XSS) vulnerability on Flatboard

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0034 27th percentileScored 2026-11-07
Fix Fixed Flatboard (Flatboard Pro): 3.2.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Flatboard ProFlatboardbefore 3.2.23.2.2Patch availableCNA
  • Flatboard VendorFlatboard Pro Affected before 3.2.2 Fixed in 3.2.2 Patch available CNA

Remediation

  • Fix · CNA Flatboard (Flatboard Pro) Fixed in 3.2.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Flatboard 3.2.2

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2025-27190 Stored Cross-Site Scripting (XSS) vulnerability on FlatboardPriority LOW 23

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-40723
  2. 2026-10-03 Alias added: GHSA-j7j3-j59j-p82h

References

  • TI-2025-27190 Stored Cross-Site Scripting (XSS) vulnerability on Flatboard CVSS 4.0MEDIUM 5.1

Sources