WP Popup Builder Plugin up to 1.3.5 on WordPress Shortcode wp_ajax_nopriv_shortcode_Api_Add code injection

Summaryinfo

A vulnerability classified as critical has been found in WP Popup Builder Plugin up to 1.3.5 on WordPress. Affected by this issue is the function wp_ajax_nopriv_shortcode_Api_Add of the component Shortcode Handler. Performing a manipulation results in code injection. This vulnerability is known as CVE-2024-9061. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in WP Popup Builder Plugin up to 1.3.5 on WordPress. It has been classified as critical. This affects the function wp_ajax_nopriv_shortcode_Api_Add of the component Shortcode Handler. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The The WP Popup Builder – Popup Forms and Marketing Lead Generation plugin for WordPress is vulnerable to arbitrary shortcode execution via the wp_ajax_nopriv_shortcode_Api_Add AJAX action in all versions up to, and including, 1.3.5. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes. NOTE: This vulnerability was partially fixed in version 1.3.5 with a nonce check, which effectively prevented access to the affected function. However, version 1.3.6 incorporates the correct authorization check to prevent unauthorized access.

The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2024-9061 since 09/20/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2024). MITRE ATT&CK project uses the attack technique T1059 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• WP Popup Builder Plugin

Version

• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3
• 1.3.4
• 1.3.5

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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