2021-39250 | Invision Power Services Community Suite IFRAME cross site scripting
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability was found in Invision Power Services Community Suite up to 220.127.116.11. It has been classified as problematic. Affected is an unknown code block of the component IFRAME Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. This is going to have an impact on integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors. CVE summarizes:
Invision Community (aka IPS Community Suite or IP-Board) before 18.104.22.168 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).
The weakness was disclosed 08/18/2021. The advisory is shared for download at ssd-disclosure.com. This vulnerability is traded as CVE-2021-39250 since 08/17/2021. The exploitability is told to be easy. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.
Upgrading to version 22.214.171.124 eliminates this vulnerability. The upgrade is hosted for download at invisioncommunity.com.
VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4
Status: Not defined
0-Day Time: 🔒
Upgrade: Community Suite 126.96.36.199
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