What is CVE-2013-1426?

CVE-2013-1426 is a medium-severity vulnerability in Mahara, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-07.

How severe is CVE-2013-1426?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Mahara

CVE-2013-1426

Cross-site Scripting (XSS) in Mahara before 1.5.9 and 1.6.x before 1.6.4 allows remote attackers to inject arbitrary web script or HTML via the TinyMCE editor.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-11-07 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Mahara — versions 1.5.9

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-tracker.debian.org/tracker/CVE-2013-1426 (Third Party Advisory)
mahara.org/interaction/forum/topic.php (Patch, Vendor Advisory)
bugs.launchpad.net/mahara/+bug/1153423 (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2013-1426?: CVE-2013-1426 is a medium-severity vulnerability in Mahara, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-07.
How severe is CVE-2013-1426?: Medium severity. CVSS v3 base score is 6.1 out of 10.