CVE-2026-8981

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfilteredhtml capability across all paths that write to its block template code fields, allowing administrators on multisite installations or single-site installs with DISALLOWUNFILTEREDHTML defined to inject...

CVE-2026-8981

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfilteredhtml capability across all paths that write to its block template code fields, allowing administrators on multisite installations or single-site installs with DISALLOWUNFILTEREDHTML defined to inject...

CVE-2026-8981 Lazy Blocks < 4.3.0 - Admin+ Stored XSS via Custom Block Frontend HTML

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfilteredhtml capability across all paths that write to its block template code fields, allowing administrators on multisite installations or single-site installs with DISALLOWUNFILTEREDHTML defined to inject...

EUVD-2026-35352

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfilteredhtml capability across all paths that write to its block template code fields, allowing administrators on multisite installations or single-site installs with DISALLOWUNFILTEREDHTML defined to inject...

CVE-2026-8981 Lazy Blocks < 4.3.0 - Admin+ Stored XSS via Custom Block Frontend HTML

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfilteredhtml capability across all paths that write to its block template code fields, allowing administrators on multisite installations or single-site installs with DISALLOWUNFILTEREDHTML defined to inject...

CVE-2026-8981: Improper Neutralization of Input During Web Page Generation

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfilteredhtml capability across all paths that write to its block template code fields, allowing administrators on multisite installations or single-site installs with DISALLOWUNFILTEREDHTML defined to inject...

PT-2026-47690

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfiltered html capability across all paths that write to its block template code fields, allowing administrators on multisite installations or single-site installs with DISALLOW UNFILTERED HTML defined to inje...

WordPress Lazy Blocks 跨站脚本漏洞

WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be installed on a website. The WordPress Plugin Custom Block Builder has a cross-site...

CVE-2026-1560

The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocksBlocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to...

CVE-2026-1560

The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocksBlocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to...

CVE-2026-1560 Custom Block Builder – Lazy Blocks <= 4.2.0 - Authenticated (Contributor+) Remote Code Execution

The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocksBlocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to...

CVE-2026-1560 Custom Block Builder – Lazy Blocks <= 4.2.0 - Authenticated (Contributor+) Remote Code Execution

The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocksBlocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to...

CVE-2026-1560

The CVE covers the Custom Block Builder – Lazy Blocks plugin for WordPress, with RCE in all versions up to 4.2.0 via multiple functions in the LazyBlocks_Blocks class. Exploitation requires authenticated access at Contributor level or higher, enabling code execution on the server. The description...

CVE-2026-1560: Improper Control of Generation of Code

The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocksBlocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to...

PT-2026-7490

Name of the Vulnerable Software and Affected Versions Custom Block Builder – Lazy Blocks versions prior to 4.2.1 Description The Custom Block Builder – Lazy Blocks plugin for WordPress has a flaw that allows for Remote Code Execution. An authenticated attacker with Contributor-level access or...

CVE-2024-12878

The Custom Block Builder WordPress plugin before 3.8.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin...

CVE-2024-12878

The Custom Block Builder WordPress plugin before 3.8.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin...

CVE-2024-12878 Custom Block Builder – Lazy Blocks < 3.8.3 - Reflected XSS

The Custom Block Builder WordPress plugin before 3.8.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin...

CVE-2024-12878

The Custom Block Builder WordPress plugin (also referred to as Lazy Blocks ) versions prior to 3.8.3 is vulnerable to a Reflected Cross-Site Scripting (XSS) flaw. The root cause is the lack of proper sanitization and escaping of a parameter before it is outputted back in the page. This vulnerabil...

CVE-2024-12878 Custom Block Builder – Lazy Blocks < 3.8.3 - Reflected XSS

The Custom Block Builder WordPress plugin before 3.8.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin...