CVE-2022-4882 kaltura mwEmbed Share Plugin share.js cross site scripting

Low 2.6 Published Updated

Remote attackers can execute arbitrary scripts via the share.js component in Kaltura mwEmbed, requiring user interaction.

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-2022-4882?

CVE-2022-4882 is a low-severity cross-site scripting vulnerability in kaltura mwEmbed, published on 9 Jan 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 was found in kaltura mwEmbed up to 2.91. It has been rated as problematic. Affected by this issue is some unknown functionality of the file modules/KalturaSupport/components/share/share.js of the component Share Plugin. The manipulation of the argument res leads to cross site scripting. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.92.rc1 is able to address this issue. The name of the patch is 4f11b6f6610acd6d89de5f8be47cf7c610643845. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217664.

Weakness: CWE-79

Which versions are affected by CVE-2022-4882?

It affects 1 product.

Products include Kaltura Mwembed.

How do I fix CVE-2022-4882?

No fix has been published for CVE-2022-4882 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-2022-4882 being exploited?

There is no known exploitation of CVE-2022-4882 in the wild and no public exploit code.

Sources

Also known as GHSA-p7m9-v9m4-xjr9.

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