Description

Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to bypass intended access restrictions and perform otherwise restricted actions. Joomla! Core versions ranging from 2.5.0 and up to and including 3.9.18 are vulnerable.

Remediation

Update to Joomla! Core version 3.9.19 or latest

References

https://developer.joomla.org/security-centre/814-20200602-core-inconsistent-default-textfilter-settings

Related Vulnerabilities

WordPress Plugin Newspack Blocks Arbitrary File Upload (3.0.8)

WordPress Plugin Companion Auto Update Cross-Site Scripting (2.9.3)

WordPress Plugin Mang Board WP Unspecified Vulnerability (2.0.5)

Nexus Repository Manager Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-37152)

Ruby Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-4481)

Severity

High

Classification

CVE-2020-13763 CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass