What is CVE-2022-29584?

CVE-2022-29584 is a medium-severity vulnerability in Mahara, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-28.

How severe is CVE-2022-29584?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Mahara

CVE-2022-29584

Mahara before 20.10.5, 21.04.4, 21.10.2, and 22.04.0 allows stored XSS when a particular Cascading Style Sheets (CSS) class for embedly is used, and JavaScript code is constructed to perform an action.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% 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

Mahara — versions 22.04.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

bugs.launchpad.net/mahara/+bug/1968920 (Vendor Advisory)
mahara.org/interaction/forum/topic.php (Vendor Advisory)

Frequently asked questions

What is CVE-2022-29584?: CVE-2022-29584 is a medium-severity vulnerability in Mahara, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-28.
How severe is CVE-2022-29584?: Medium severity. CVSS v3 base score is 5.4 out of 10.