CVE-2024-58291 json
Flatboard 3.2 Authenticated Stored Cross-Site Scripting via Forum Information Field
published 2025-12-11 10 mo ago modified 2026-10-27 12 d ago also EUVD-2024-55340
- cvss
- 5.3
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 10 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/52054 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | 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 |
| CNA | 4.0 | 5.3 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Flatboard Flatboard
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
exploit-db.com
/exploits/52054
exploit
-
flatboard.org
/
product
-
flatboard.org
/support
government-resource
-
vulncheck.com
/advisories/flatboard-authenticated-stored-cross-site-scripting-via-forum-information-field
third-party-advisory
Sources
- CVE List CVE-2024-58291
- NVD CVE-2024-58291
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.