Stored Cross-Site Scripting Vulnerability in Flatboard Forum Software
CVE-2024-58291

5.3MEDIUM

Key Information:

Vendor

Flatboard

Status
Flatboard
Vendor
CVE Published:
11 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-58291?

Flatboard version 3.2 is susceptible to a stored cross-site scripting vulnerability that enables authenticated administrators to inject malicious scripts into forum information fields. This flaw permits attackers to embed JavaScript payloads that execute when other users access the forum. Such exploitation can lead to various harmful outcomes, including session cookie theft and unauthorized execution of client-side scripts on unsuspecting users' browsers. It highlights the importance of securing input fields and implementing robust validation measures to ensure a safe user experience.

Affected Version(s)

Flatboard 3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-58291 - Proof of Concept

References

https://www.exploit-db.com/exploits/52054
exploit
https://flatboard.org/
product
https://flatboard.org/support
government-resource

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

tmrswrr
JSON
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CVE-2024-58291 : Stored Cross-Site Scripting Vulnerability in Flatboard Forum Software