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 3.9.15 are vulnerable.

Remediation

Update to Joomla! Core version 3.9.16 or latest

References

https://hocvahoc.me/2020/03/13/my-journey-to-find-out-joomlas-cvepart-1/

https://github.com/HoangKien1020/Joomla-CVE/tree/master/CVE-2020-10238

https://developer.joomla.org/security-centre/804-20200303-core-incorrect-access-control-in-com-templates.html

Related Vulnerabilities

Apache HTTP Server Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2006-3918)

phpMyAdmin Server-Side Request Forgery (SSRF) Vulnerability (CVE-2017-1000017)

WordPress Plugin WordPress Button Plugin MaxButtons Cross-Site Scripting (1.26.0)

WordPress Plugin Google Captcha (reCAPTCHA) by BestWebSoft Cross-Site Scripting (1.27)

Jboss EAP Exposure of Resource to Wrong Sphere Vulnerability (CVE-2021-3859)

Severity

High

Classification

CVE-2020-10238 CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass