XSS in Kaltura Mwembed
CVE-2022-4876
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Kaltura Mwembed — versions 2.96, 2.96.rc1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- github.com/kaltura/mwEmbed/pull/4266 (issue-tracking, Patch)
- github.com/kaltura/mwEmbed/commit/13b8812ebc8c9fa034eed91ab35ba8423a528c0b (Patch, patch)
- github.com/kaltura/mwEmbed/releases/tag/v2.96.rc2 (Release Notes, patch)
Frequently asked questions
- What is CVE-2022-4876?
- CVE-2022-4876 is a low-severity vulnerability in Kaltura Mwembed, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2023-01-04.
- How severe is CVE-2022-4876?
- Low severity. CVSS v3 base score is 3.5 out of 10.