XSS in Mahara

CVE-2021-43265

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, certain tag syntax could be used for XSS, such as via a SCRIPT element.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.3th percentile) — read the EPSS interpretation.

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.

Affected products

Mahara
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43265?: CVE-2021-43265 is a medium-severity vulnerability in Mahara, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-11-02.
How severe is CVE-2021-43265?: Medium severity. CVSS v3 base score is 5.4 out of 10.