CVE-2024-58291

MEDIUM

Flatboard 3.2 - Authenticated Stored Cross-Site Scripting via Forum Information Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-58291. PoCs published by tmrswrr.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in Flatboard 3.2, where an authenticated attacker can inject malicious JavaScript via the 'Information' field when creating a forum. The payload executes when the forum is viewed, stealing cookies via a confirmation dialog.

Description

Flatboard 3.2 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts in forum information fields. Attackers can insert JavaScript payloads that execute when other users view the forum, potentially stealing session cookies and executing client-side scripts.

Exploits (1)

exploitdb WORKING POC
by tmrswrr · textwebappsphp
https://www.exploit-db.com/exploits/52054

This exploit demonstrates a stored XSS vulnerability in Flatboard 3.2, where an authenticated attacker can inject malicious JavaScript via the 'Information' field when creating a forum. The payload executes when the forum is viewed, stealing cookies via a confirmation dialog.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Flatboard 3.2
Auth required
Prerequisites: Authenticated access to the admin panel · Ability to create a forum
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/52054
Various Sources product
https://flatboard.org/
Various Sources government-resource
https://flatboard.org/support

Scores

CVSS v4 5.3
EPSS 0.0006
EPSS Percentile 19.3%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
Flatboard/Flatboard 3.2
Published Dec 11, 2025
Tracked Since Feb 18, 2026