The VK All in One Expansion Unit WordPress plugin before 9.86.0.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The VK Blocks plugin for WordPress is vulnerable to improper authorization via the REST 'update_vk_blocks_options' function in versions up to, and including, 1.57.0.5. This allows authenticated attackers, with contributor-level permissions or above, to change plugin settings including default icons.

The VK Blocks plugin for WordPress is vulnerable to improper authorization via the REST 'update_options' function in versions up to, and including, 1.57.0.5. This allows authenticated attackers, with contributor-level permissions or above, to change the 'vk_font_awesome_version' option to an arbitrary value.

The VK All in One Expansion Unit WordPress plugin before 9.87.1.0 does not escape the $_SERVER['REQUEST_URI'] parameter before outputting it back in an attribute, which could lead to Reflected Cross-Site Scripting in old web browsers

Cross-site scripting vulnerability in Tag edit function of VK Blocks 1.53.0.1 and earlier and VK Blocks Pro 1.53.0.1 and earlier allows a remote authenticated attacker to inject an arbitrary script.

Cross-site scripting vulnerability in Post function of VK Blocks 1.53.0.1 and earlier and VK Blocks Pro 1.53.0.1 and earlier allows a remote authenticated attacker to inject an arbitrary script.

Cross-site scripting vulnerability in Profile setting function of VK All in One Expansion Unit 9.88.1.0 and earlier allows a remote authenticated attacker to inject an arbitrary script.

Cross-site scripting vulnerability in CTA post function of VK All in One Expansion Unit 9.88.1.0 and earlier allows a remote authenticated attacker to inject an arbitrary script.

The VK Filter Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'vk_filter_search' shortcode in all versions up to, and including, 2.3.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The VK Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'vk-blocks/ancestor-page-list' block in all versions up to, and including, 1.63.0.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The VK Block Patterns plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.31.1.1. This is due to missing or incorrect nonce validation on the vbp_clear_patterns_cache() function. This makes it possible for unauthenticated attackers to clear the patterns cache via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The VK All in One Expansion Unit plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 9.95.0.1 via social meta tags. This makes it possible for unauthenticated attackers to view limited password protected content.

The VK All in One Expansion Unit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the child page index widget in all versions up to, and including, 9.96.0.1 due to insufficient input sanitization and output escaping on user supplied attributes such as 'className.' This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Vektor,Inc. VK All in One Expansion Unit allows Stored XSS.This issue affects VK All in One Expansion Unit: from n/a through 9.99.1.0.

Cross-site scripting vulnerability exists in VK All in One Expansion Unit versions prior to 9.100.1.0. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who is accessing the web site using the product.