Vulnerability Description
Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows stored XSS, with resultant code execution, because an uploaded file can be placed in an IFRAME element within user-generated content. For code execution, the attacker can rely on the ability of an admin to install widgets, disclosure of the admin session ID in a Referer header, and the ability of an admin to use the templating engine (e.g., Edit HTML).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Invisioncommunity | Invision Power Board | < 4.6.5.1 |
Related Weaknesses (CWE)
References
- https://invisioncommunity.com/release-notes/4651-r102/Release NotesVendor Advisory
- https://ssd-disclosure.com/ssd-advisory-ip-board-stored-xss-to-rce-chain/ExploitThird Party Advisory
- https://invisioncommunity.com/release-notes/4651-r102/Release NotesVendor Advisory
- https://ssd-disclosure.com/ssd-advisory-ip-board-stored-xss-to-rce-chain/ExploitThird Party Advisory
FAQ
What is CVE-2021-39250?
CVE-2021-39250 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows stored XSS, with resultant code execution, because an uploaded file can be placed in an IFRAME element within user-genera...
How severe is CVE-2021-39250?
CVE-2021-39250 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39250?
Check the references section above for vendor advisories and patch information. Affected products include: Invisioncommunity Invision Power Board.