Known vulnerabilities in Co-Authors Plus

Assign multiple bylines to posts, pages, and custom post types with a search-as-you-type input box.

1Reported vulnerabilities

7.5Highest CVSS score

4.1.1Latest version

20,000+Active installs

What to do now

Update Co-Authors Plus to 3.5.2 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 26, 2026 / Tested up to WordPress: 7.0.4 / 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
WF-a9743351-9f28-49bf-8b08-85ffbdcfa5f0	High 7.5	—	3.5 to 3.5.1 (inclusive)	`3.5.2`	June 7, 2022

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