vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-40723

Stored Cross-Site Scripting (XSS) vulnerability on Flatboard

MEDIUM
5.1
CVSS Score
Published: July 3, 2025 at 11:44 AM UTC
Updated: June 17, 2026 at 09:22 AM UTC
1 product affected across 1 vendorFlatboard

Using Flatboard by Flatboard Pro?

Get instant alerts when new vulnerabilities affect Flatboard - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Flatboard· Flatboard Pro
60%
v < 3.2.2
Affected range stops below 3.2.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-stored-cross-site-scripting-xss-vulnerabilities-flatboard-pro

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMINCIBE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card