CVE-2023-22622
CVE-2023-22622 is a medium-severity vulnerability in Wordpress with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Wordpress
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-22622?
- 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.
- How severe is CVE-2023-22622?
- CVE-2023-22622 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-22622 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-22622?
- CVE-2023-22622 affects Wordpress. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-22622?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-22622 published?
- CVE-2023-22622 was published on 2023-01-05 and last updated on 2026-06-17.
References
- https://developer.wordpress.org/plugins/cron/
- https://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8
- 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://wordpress.org/about/security/
- https://wordpress.org/support/article/how-to-install-wordpress/
- https://www.tenable.com/plugins/was/113449
Affected products (1)
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
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Threat intelligence
Threat-intel indicators referencing this CVE:
- 64.202.190.35 (ipv4-addr)