CVE-2026-21624

critical · 9.4

Lack of input filterung leads to a persistent XSS vulnerability in the user avatar text handling of the Easy Discuss component for Joomla.

9.4

CVSS

0.2%

EPSS (exploit prob.)

10th

EPSS percentile

2026-01-16

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-79

Affected products

Vendor	Product	Affected versions
stackideas	easydiscuss	>= 1.0.0, <= 5.0.15

Check a specific version with /api/v1/cve/match.

References

https://stackideas.com/easydiscuss

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-21624