Known vulnerabilities in Header Footer Code Manager

Easily add tracking code snippets, conversion pixels, or other scripts required by third party services for analytics, marketing, or chat features.

4Reported vulnerabilities

7.2Highest CVSS score

1.1.46Latest version

600,000+Active installs

What to do now

Update Header Footer Code Manager to 1.1.35 or later. 4 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 15, 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-2021-24791	High 7.2	5.2%	Before 1.1.14	`1.1.14`	November 8, 2021
CVE-2022-0899	Medium 6.1	1.3%	Before 1.1.24	`1.1.24`	July 25, 2022
CVE-2022-0710	Medium 6.1	2.4%	1.1.16 and earlier	`1.1.17`	February 24, 2022
CVE-2023-39989	Medium 5.4	0.2%	Before 1.1.35	`1.1.35`	July 4, 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.