HOMEVULNERABILITIESCVE-2023-22622
MEDIUM

CVE-2023-22622

NVD-CWE-OtherPublished: January 5, 2023· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-22622 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

WordPress1 product(s)
wordpress
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://developer.wordpress.org/plugins/cron/
ADVISORYhttps://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8
ADVISORYhttps://patchstack.com/articles/solving-unpredictable-wp-cron-problems-addressing-cve-2023-22622/
ADVISORYhttps://wordpress.org/about/security/
ADVISORYhttps://wordpress.org/support/article/how-to-install-wordpress/
ADVISORYhttps://www.tenable.com/plugins/was/113449
ADVISORYhttps://developer.wordpress.org/plugins/cron/
ADVISORYhttps://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8
ADVISORYhttps://patchstack.com/articles/solving-unpredictable-wp-cron-problems-addressing-cve-2023-22622/
ADVISORYhttps://wordpress.org/about/security/
ADVISORYhttps://wordpress.org/support/article/how-to-install-wordpress/
ADVISORYhttps://www.tenable.com/plugins/was/113449

All References (14)

→
https://developer.wordpress.org/plugins/cron/Product · Vendor Advisory
→
https://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8Third Party Advisory
→
https://medium.com/%40thecpanelguy/the-nightmare-that-is-wpcron-php-ae31c1d3ae30
→
https://patchstack.com/articles/solving-unpredictable-wp-cron-problems-addressing-cve-2023-22622/Third Party Advisory
→
https://wordpress.org/about/security/Vendor Advisory
→
https://wordpress.org/support/article/how-to-install-wordpress/Vendor Advisory
→
https://www.tenable.com/plugins/was/113449Third Party Advisory
→
https://developer.wordpress.org/plugins/cron/Product · Vendor Advisory
→
https://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8Third Party Advisory
→
https://medium.com/%40thecpanelguy/the-nightmare-that-is-wpcron-php-ae31c1d3ae30
→
https://patchstack.com/articles/solving-unpredictable-wp-cron-problems-addressing-cve-2023-22622/Third Party Advisory
→
https://wordpress.org/about/security/Vendor Advisory
→
https://wordpress.org/support/article/how-to-install-wordpress/Vendor Advisory
→
https://www.tenable.com/plugins/was/113449Third Party Advisory

Quick Facts

CVE IDCVE-2023-22622
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedJan 5, 2023

Related CVEs (NVD-CWE-Other)

CVE-2004-2284
10.0
CVE-2004-2388
10.0
CVE-2004-2247
10.0
CVE-2004-2281
10.0
CVE-2004-2248
10.0
CVE-2004-2403
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-22622 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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