The WebberZone Top 10 — Popular Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'otherattributes (parsed to inject instanceid) + undeclared iswidget' parameter in all versions up to, and including, 4.5.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit requires setting the undeclared iswidget flag to '1' via block JSON, which activates the vulnerable code path that concatenates the attacker-controlled instanceid value into an unescaped HTML class attribute.

Missing Authorization vulnerability in WebberZone Knowledge Base knowledgebase allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Knowledge Base: from n/a through 3.2.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ajay Knowledge Base knowledgebase allows Stored XSS.This issue affects Knowledge Base: from n/a through <= 2.2.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WebberZone Better Search – Relevant search results for WordPress allows Stored XSS.This issue affects Better Search – Relevant search results for WordPress: from n/a through 3.3.0.

A vulnerability in Ajay Top 10 top-10.This issue affects Top 10: from n/a through <= 3.3.2.

Missing Authorization vulnerability in Ajay Top 10 top-10 allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Top 10: from n/a through <= 3.2.3.

The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. This makes it possible for unauthenticated attackers to import settings via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Top 10 plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.10.4. This is due to missing or incorrect nonce validation on the tptnexporttables() function. This makes it possible for unauthenticated attackers to generate an export of the top 10 table via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. This is due to missing or incorrect nonce validation on the bsearchprocesssettingsimport() and bsearchprocesssettingsexport() functions. This makes it possible for unauthenticated attackers to import and export settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Contextual Related Posts WordPress plugin before 3.3.1 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