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VulnerabilityPublished Updated

CVE-2024-13900: Head, Footer and Post Injections (WordPress plugin) · Code Injection

Affects Head, Footer and Post Injections (WordPress plugin)Source CVE Database V5

0

Not known to be exploited · CVSS 4.1 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
4.1Medium
How severe the flaw is on the 0–10 CVSS scale.
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:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Feb 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
satollo Head, Footer and Post InjectionsAffected
  • =0
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.

References

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