Skip to content
Fencer Vulns
low 2.6

CVE-2022-4882 json

kaltura mwEmbed Share Plugin share.js cross site scripting

published 2023-01-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52142

cvss
2.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

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.

Patch / fix

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/kaltura/mwEmbed/pull/4255 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 2.6 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA 3.0 2.6 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA 2.0 2.1 AV:N/AC:H/Au:S/C:N/I:P/A:N
NVD 3.1 4.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • kaltura mwEmbed

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.