CVE-2024-13900: Head, Footer and Post Injections <= 3.3.0 - Authenticated (Administrator+) PHP Code Injection in Multisite Environments
Vulnerability summary
CVE-2024-13900 is a high (CVSS 7.2) Code Injection vulnerability in satollo head\,_footer\,_and_post_injections. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 35.4% of scored vulnerabilities.
Timeline
- 21-02-2025PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA4.1MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:LDiffers
- wordfenceSource4.1MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.41% on 25-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Satollo1 product
- head\,_footer\,_and_post_injections≤ 3.3.0 | < 3.3.1
Wordpress1 product
- header-footer≤ 3.3.0 (fixed in 3.3.1)
2 vendors · 2 products