CVE-2022-4902 eXo Chat Application Mention ExoChatMessageComposer.vue cross site scripting
Remote attackers can execute arbitrary scripts via the Mention Handler in eXo Chat Application, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-4902?
CVE-2022-4902 is a low-severity cross-site scripting vulnerability in eXo Chat Application, published on 6 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability classified as problematic has been found in eXo Chat Application. Affected is an unknown function of the file application/src/main/webapp/vue-app/components/ExoChatMessageComposer.vue of the component Mention Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 3.3.0-20220417 is able to address this issue. The name of the patch is 26bf307d3658d1403cfd5c3ad423ce4c4d1cb2dc. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-220212.
Weakness: CWE-79
Which versions are affected by CVE-2022-4902?
It affects 1 product.
Products include Exoplatform Chat Application.
How do I fix CVE-2022-4902?
No fix has been published for CVE-2022-4902 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-4902 being exploited?
There is no known exploitation of CVE-2022-4902 in the wild and no public exploit code.
Sources
Also known as GHSA-c8jx-wgmp-xj28.