CVE-2018-25324

Simple Fields 0.2 through 0.3.5 WordPress Plugin contains a local file inclusion vulnerability that allows unauthenticated attackers to read arbitrary files by injecting null bytes into the wp_abspath parameter on PHP versions before 5.3.4. Attackers can supply malicious wp_abspath values to simple_fields.php to include files like /etc/passwd or inject PHP code into Apache logs for remote code execution when allow_url_include is enabled.

Score

CVSS 4.0 6.9 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-05-17

Last modified

2026-07-15

Weaknesses

CWE-98

Affected products

• Simple Fields (Simple Fields Project)

References

• http://simple-fields.com
• https://downloads.wordpress.org/plugin/simple-fields.0.3.5.zip
• https://www.exploit-db.com/exploits/44425
• https://www.vulncheck.com/advisories/simple-fields-local-file-inclusion-via-wp-abspath