Vulnerability in Flarum Framework
CVE-2023-22487
Flarum is a forum software for building communities. Using the mentions feature provided by the flarum/mentions extension, users can mention any post ID on the forum with the special `@"<username>"#p<id>` syntax. The following behavior nev…
EPSS: 0.002 (43.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Flarum Framework — versions < 1.6.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/flarum/framework/security/advisories/GHSA-22m9-m3ww-53h3 (x_refsource_CONFIRM)
- https://github.com/flarum/framework/commit/ab1c868b978e8b0d09a5d682c54665dae17d0985 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-22487?
- CVE-2023-22487 is a high-severity vulnerability in Flarum Framework, classified under Improper Access Control. CVSS score: 7.7/10. Published 2023-01-11.
- How severe is CVE-2023-22487?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2023-22487 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.