CVE-2019-16531 json
LayerBB before 1.1.4 has multiple CSRF issues, as demonstrated by changing the System Settings via admin/general.php.
published 2019-09-20 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7205
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 85%
- public exploits
- 1
- Exploit-DB
Summary
LayerBB before 1.1.4 has multiple CSRF issues, as demonstrated by changing the System Settings via admin/general.php.
Patch / fix
- layerbb layerbb 1.1.4
- github.com/AndyRixon/LayerBB#40 pull request
- github.com/AndyRixon/LayerBB/compare/1.1.3...1.1.4 advisory
Timeline
- First public exploit (EDB-47403)
- Published
Exploit prediction
2.55% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-47403 LayerBB < 1.1.4 - Cross-Site Request Forgery webapps, 2019-09-20
- github.com https://github.com/0xB9/LayerBB-1.1.3-CSRF/blob/master/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/AndyRixon/LayerBB/pull/40
patch, third-party-advisory
-
github.com
/AndyRixon/LayerBB/compare/1.1.3...1.1.4
patch, third-party-advisory
-
github.com
/0xB9/LayerBB-1.1.3-CSRF/blob/master/README.md
exploit, third-party-advisory
- packetstormsecurity.com /files/154549/LayerBB-1.1.3-Cross-Site-Request-Forgery.html
Sources
- CVE List CVE-2019-16531
- NVD CVE-2019-16531
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.