Vulnerability in Invisioncommunity Invision Power Board
CVE-2021-39249
Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become predictable through a brute-force attack against the PHP mt_rand function.
EPSS: 0.008 (51.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Invisioncommunity Invision_power_board
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39249?
- CVE-2021-39249 is a medium-severity vulnerability in Invisioncommunity Invision Power Board, classified under Use of Insufficiently Random Values. CVSS score: 6.1/10. Published 2021-08-17.
- How severe is CVE-2021-39249?
- Medium severity. CVSS v3 base score is 6.1 out of 10.