How severe is CVE-2022-4882?

CVE-2022-4882 has a CVSS 3.x base score of 2.6, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2022-4882 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4882?

CVE-2022-4882 affects Kaltura Mwembed. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4882?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-4882 published?

CVE-2022-4882 was published on 2023-01-09 and last updated on 2026-06-17.

CVE-2022-4882

CVE-2022-4882 is a low-severity vulnerability in Kaltura Mwembed with a CVSS 3.x base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 2.6)
CVSS v2: 2.1
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Kaltura Mwembed
Published: 2023-01-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-4882?: 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.
How severe is CVE-2022-4882?: CVE-2022-4882 has a CVSS 3.x base score of 2.6, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2022-4882 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4882?: CVE-2022-4882 affects Kaltura Mwembed. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4882?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4882 published?: CVE-2022-4882 was published on 2023-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kaltura:mwembed:*:*:*:*:*:*:*:*

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