CVE-2022-4882: A vulnerability was found in kaltura mwEmbed up to 2.91

Q: How do I fix CVE-2022-4882?

mwembed: upgrade to newer than 2.91. Exact commands for each OS are on this page.

Q: Is CVE-2022-4882 being exploited?

CVE-2022-4882 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-4882 affect?

CVE-2022-4882 affects mwembed. Severity is low (CVSS 2.6). 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

Q: How urgent is CVE-2022-4882?

Priority 21/100. No elevated risk signals yet.

Routine

LOW 2.6UPGRADE

CVE-2022-4882 is a low-severity flaw (CVSS 2.6) affecting mwembed. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 d

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.6 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-01-09
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: kaltura

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-01-09 09:15 UTCPublished CVE record published
2026-06-17 05:22 UTCUpdated Record last modified

kaltura mwembed UPGRADE

Affected: <= 2.91

Fixed in: newer than 2.91

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mwembed || rpm -q mwembed || mwembed --version

2. UPGRADE to newer than 2.91 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mwembed

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mwembed

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-4882?

mwembed: upgrade to newer than 2.91. Exact commands for each OS are on this page.

Is CVE-2022-4882 being exploited?

CVE-2022-4882 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-4882 affect?

CVE-2022-4882 affects mwembed. Severity is low (CVSS 2.6). 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

How urgent is CVE-2022-4882?

Priority 21/100. No elevated risk signals yet.

Related CVEs

CVE-2022-4876 LOW 3.5 UPGRADE A vulnerability was found in Kaltura mwEmbed up to 2.96.rc1 and classified as problematic

References

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