Simple Spoiler Plugin 1.2/1.3 on WordPress Shortcode code injection

Summaryinfo

A vulnerability classified as critical has been found in Simple Spoiler Plugin 1.2/1.3 on WordPress. This impacts an unknown function of the component Shortcode Handler. The manipulation leads to Remote Code Execution. This vulnerability is documented as CVE-2024-8479. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Simple Spoiler Plugin 1.2/1.3 on WordPress. It has been rated as critical. This issue affects some unknown processing of the component Shortcode Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The The Simple Spoiler plugin for WordPress is vulnerable to arbitrary shortcode execution in versions 1.2 to 1.3. This is due to the plugin adding the filter add_filter('comment_text', 'do_shortcode'); which will run all shortcodes in comments. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2024-8479 since 09/05/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/28/2024). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

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

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Productinfo

Type

• WordPress Plugin

Name

• Simple Spoiler Plugin

Version

• 1.2
• 1.3

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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