Description

Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently bypass ACLs. Joomla! Core versions 3.x.x ranging from 3.1.0 and up to and including 3.8.12 are vulnerable.

Remediation

Update to Joomla! Core version 3.8.13 or latest

References

https://developer.joomla.org/security-centre/753-20181003-core-access-level-violation-in-com-tags.html

Related Vulnerabilities

Frontaccounting Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-3740)

WordPress Plugin Wordpress Countdown Widget Cross-Site Scripting (3.1.9.2)

WordPress Plugin PixelYourSite-Facebook Pixel (Events, WooCommerce & Easy Digital Downloads) Multiple Unspecified Vulnerabilities (4.0.2)

WordPress Plugin Amazon Product in a Post SQL Injection (3.5.2)

WordPress Plugin Anti-Malware Security and Brute-Force Firewall Cross-Site Scripting (4.15.42)

Severity

High

Classification

CVE-2018-17857 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