CVE-2021-39249
Last modified
CVE-2021-39249 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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 estimates a 0.77% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Invisioncommunity | Invision Power Board | < 4.6.5.1 |
References
- https://invisioncommunity.com/release-notes/4651-r102/Release Notes, Vendor Advisory
- https://ssd-disclosure.com/ssd-advisory-ip-board-stored-xss-to-rce-chain/Exploit, Third Party Advisory
- https://invisioncommunity.com/release-notes/4651-r102/Release Notes, Vendor Advisory
- https://ssd-disclosure.com/ssd-advisory-ip-board-stored-xss-to-rce-chain/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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