CVE-2022-4876

Name: CVE-2022-4876
Creator: NVD / NIST
Published: 2023-01-04T23:15:20.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2022-4876 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability was found in Kaltura mwEmbed up to 2.96.rc1 and classified as problematic. This issue affects some unknown processing of the file includes/DefaultSettings.php. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Kaltura mwEmbed up to 2.96.rc1 and classified as problematic. This issue affects some unknown processing of the file includes/DefaultSettings.php. The manipulation of the argument HTTP_X_FORWARDED_HOST leads to cross site scripting. The attack may be initiated remotely. Upgrading to version 2.96.rc2 is able to address this issue. The patch is named 13b8812ebc8c9fa034eed91ab35ba8423a528c0b. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217427.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.51%

39.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Kaltura	Mwembed	<= 2.95	—
Kaltura	Mwembed	2.96	Rc1

References

https://github.com/kaltura/mwEmbed/commit/13b8812ebc8c9fa034eed91ab35ba8423a528c0bPatch
https://github.com/kaltura/mwEmbed/pull/4266Patch
https://github.com/kaltura/mwEmbed/releases/tag/v2.96.rc2Release Notes
https://vuldb.com/?ctiid.217427Permissions Required
https://vuldb.com/?id.217427Third Party Advisory
https://github.com/kaltura/mwEmbed/commit/13b8812ebc8c9fa034eed91ab35ba8423a528c0bPatch
https://github.com/kaltura/mwEmbed/pull/4266Patch
https://github.com/kaltura/mwEmbed/releases/tag/v2.96.rc2Release Notes
https://vuldb.com/?ctiid.217427Permissions Required
https://vuldb.com/?id.217427Third Party Advisory

Timeline

Published: Jan 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4876?

How severe is CVE-2022-4876?

CVE-2022-4876 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4876?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-4876?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST