Known vulnerabilities in Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors

PublishPress Authors is the best plugin for adding authors, co-authors, multiple authors and guest authors to WordPress posts.

5Reported vulnerabilities

8.8Highest CVSS score

4.15.0Latest version

20,000+Active installs

What to do now

Update Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors to 4.11.0 or later. 5 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 4, 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
CVE-2025-47496	High 8.8	0.7%	4.7.5 and earlier	`4.7.6`	May 7, 2025
CVE-2024-9215	High 8.8	0.5%	0 to 4.7.1 (inclusive) 0 to 4.7.1 (inclusive)	`4.7.2`	October 17, 2024
CVE-2026-25309	Medium 5.3	0.3%	4.10.1 and earlier	`4.11.0`	March 17, 2026
CVE-2025-26886	Medium 4.9	0.3%	4.7.3 and earlier	`4.7.4`	March 3, 2025
CVE-2026-25330	Medium 4.3	0.2%	4.10.1 and earlier	`4.11.0`	February 6, 2026

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