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CVE-2023-22622

Date: January 4, 2023

WordPress through 6.1.1 depends on unpredictable client visits to cause wp-cron.php execution and the resulting security updates, and the source code describes "the scenario where a site may not receive enough visits to execute scheduled tasks in a timely manner," but neither the installation guide nor the security guide mentions this default behavior, or alerts the user about security risks on installations with very few visits.

Language: PHP

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2023-22622
https://www.tenable.com/plugins/was/113449
https://developer.wordpress.org/plugins/cron/
https://wordpress.org/support/article/how-to-install-wordpress/
https://medium.com/%40thecpanelguy/the-nightmare-that-is-wpcron-php-ae31c1d3ae30
https://patchstack.com/articles/solving-unpredictable-wp-cron-problems-addressing-cve-2023-22622/
https://medium.com/@thecpanelguy/the-nightmare-that-is-wpcron-php-ae31c1d3ae30
https://wordpress.org/about/security/
https://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8
https://www.mend.io/vulnerability-database/CVE-2023-22622

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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