What is CVE-2021-26036?

CVE-2021-26036 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-07-07.

How severe is CVE-2021-26036?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Joomla Joomla\!

CVE-2021-26036

An issue was discovered in Joomla! 2.5.0 through 3.9.27. Missing validation of input could lead to a broken usergroups table.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Joomla Joomla\!
Joomla! Project Cms — versions 2.5.0-3.9.27

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@joomla.org (vendor-advisory, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26036?: CVE-2021-26036 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-07-07.
How severe is CVE-2021-26036?: High severity. CVSS v3 base score is 7.5 out of 10.