Description

An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.

Remediation

References

CVE-2021-26032

Related Vulnerabilities

WordPress Plugin SearchWP Live Ajax Search Directory Traversal (1.6.2)

Python Improper Neutralization of CRLF Sequences ('CRLF Injection') Vulnerability (CVE-2019-9740)

Liferay Portal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-38263)

Dolibarr Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-19210)

WordPress Deserialization of Untrusted Data Vulnerability (CVE-2022-21663)

Severity

Medium

Classification

CVE-2021-26032 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities