CVE-2024-13900
Published: 21 February 2025
Summary
CVE-2024-13900 is a medium-severity Code Injection (CWE-94) vulnerability in Satollo Head\, Footer\, And Post Injections. Its CVSS base score is 4.1 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 28.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2024-13900 is a PHP Code Injection vulnerability (CWE-94) in the Head, Footer and Post Injections plugin for WordPress, affecting all versions up to and including 3.3.0. The flaw exists specifically in multisite environments, where improper input handling allows malicious code execution.
Authenticated attackers with Administrator-level access or higher can exploit this vulnerability over the network. Exploitation requires high attack complexity but no user interaction, potentially resulting in limited impacts to confidentiality, integrity, and availability, as scored at CVSS 4.1 (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L).
Advisories recommend updating the plugin beyond version 3.3.0 to mitigate the issue, with the WordPress plugin trac changeset 3244016 documenting the fix and Wordfence providing threat intelligence details at their referenced page.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-4530
Vulnerability details
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…
more
multisite environments.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
PHP code injection in public-facing WordPress plugin directly enables exploitation of the application (T1190) and installation/execution of web shells via injected code (T1505.003).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly mitigates the PHP code injection vulnerability by requiring timely patching of the affected WordPress plugin as recommended in advisories.
Addresses the root cause of improper input handling in the plugin by enforcing validation of user inputs to prevent malicious PHP code execution.
Reduces exposure to the vulnerable plugin by restricting system functionality to only essential capabilities, such as disabling unnecessary head, footer, and post injection features.