CVE-2021-39249
6.1 MEDIUMInvision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files beco...
Published: 2021-08-17 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 6.1 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CWE
- CWE-330
Affected products
| Vendor | Product |
|---|---|
| invisioncommunity | invision_power_board |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39249
- [Vendor advisory]https://invisioncommunity.com/release-notes/4651-r102/
- [Exploit reference]https://ssd-disclosure.com/ssd-advisory-ip-board-stored-xss-to-rce-chain/
- [Vendor advisory]https://invisioncommunity.com/release-notes/4651-r102/
- [Exploit reference]https://ssd-disclosure.com/ssd-advisory-ip-board-stored-xss-to-rce-chain/
Related CVEs
Same vendor
- CVE-2021-39250 — Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows stored XSS, with resultant code execution, because an uplo... (5.4 MEDIUM)
- CVE-2021-3025 — Invision Community IPS Community Suite before 4.5.4.2 allows SQL Injection via the Downloads REST API (the sortDir parameter in a sortBy=... (8.8 HIGH)
- CVE-2021-3026 — Invision Community IPS Community Suite before 4.5.4.2 allows XSS during the quoting of a post or comment (6.1 MEDIUM)
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