CVE-2026-81910

Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection SSTI in Theme Customizer via Unvalidated Style Values. Values submitted through the customizer color channels and other style properties handled by ColorStyle and sibling Style classes such as FontFamilyStyle and...

CVE-2026-81910 Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection (SSTI) in Theme Customizer via Unvalidated Style Values

Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection SSTI in Theme Customizer via Unvalidated Style Values. Values submitted through the customizer color channels and other style properties handled by ColorStyle and sibling Style classes such as FontFamilyStyle and...

CVE-2026-81910

Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection (SSTI) in the Theme Customizer . Style values handled by classes such as ColorStyle, FontFamilyStyle, and ImageStyle are interpolated into server-compiled LESS source without neutralizing LESS syntax. An attacker with th...

Simple Theme Options < 1.7 - Admin+ Stored Cross-Site Scripting

The plugin does not sanitise and escape its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed PoC Put the following payload in any of textarea field settings of the plugin such as 'Google Analytics':...

Simple Theme Options < 1.7 - Admin+ Stored Cross-Site Scripting

The plugin does not sanitise and escape its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed Put the following payload in any of textarea field settings of the plugin such as 'Google Analytics': " T...

Yellow Pencil Visual Theme Customizer Plugin for WordPress < 7.2.1 Privilege Escalation

The WordPress Yellow Pencil Visual Theme Customizer Plugin installed on the remote host is affected by a privilege escalation vulnerability due to 'ypremotegetfirst' function. An unauthenticated, remote attacker can leverage this issue to perform WordPress actions that were restricted to...