Known vulnerabilities in Guest Author

Add a guest author to any post without needing to register the guest author as a user on your site.

2Reported vulnerabilities

6.4Highest CVSS score

2.62Latest version

5,000+Active installs

What to do now

Update Guest Author to 2.4 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 16, 2026 / Tested up to WordPress: 7.1 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2023-49747	Medium 6.4	0.4%	2.3 and earlier	`2.4`	December 4, 2023
WF-0b7d7b64-8194-4b81-83f5-1f3b23109455	Medium 6.4	—	2.3 and earlier	`2.4`	December 1, 2023

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.