CVE-2024-13900: Head, Footer and Post Injections (WordPress plugin) · Code Injection
Affects Head, Footer and Post Injections (WordPress plugin)Source CVE Database V5
Not known to be exploited · CVSS 4.1 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 21 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| satollo Head, Footer and Post Injections | Affected
| Fixed in– |
AI-suggested
Until an official fix is available, restrict Administrator-level access to trusted users only and monitor multisite environments for unauthorized changes. Avoid installing or updating to vulnerable versions of the plugin. Follow vendor communications for updates on patches or official mitigations.
Description
The Head, Footer and Post Injections plugin for WordPress is vulnerable to PHP Code Injection in all versions up to, and including, 3.3.0. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject PHP Code in multisite environments.