Vulnerability in Flarum
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: 0.007 (47.8th 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
- Flarum Framework — versions < 1.6.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory, Mitigation)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-22487?
- CVE-2023-22487 is a high-severity vulnerability in Flarum, 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.