CVE-2021-26030

MEDIUM 6.1CVE-2021-26030 · Published 14/04/2021 · updated 17/06/2026

In short

CVE-2021-26030 is a MEDIUM (CVSS 6.1) vulnerability affecting joomla! (joomla).
Chance of exploitation in the next 30 days (EPSS): 82.3%, higher than 99.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
joomla! joomla	`≥ 3.0.0, ≤ 3.9.25`	No fix yet

Description

An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error page

References

developer.joomla.org/security-centre/850-20210401-core-escape-xss-in-logo-parameter-error-pages.html · Vendor Advisory

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Package

Affected versions

Patched versions

joomla!

joomla

≥ 3.0.0, ≤ 3.9.25

No fix yet

More vulnerabilities in joomla!

See all →