CVE-2017-20251

9.3 criticalEPSS 0.6%

WordPress Insert PHP plugin versions before 3.3.1 contain a PHP code injection vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by injecting malicious shortcodes through the WordPress REST API. Attackers can send POST requests to the wp-json/wp/v2/posts endpoint with crafted content containing insert_php shortcodes to include and execute remote PHP files on the server.

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2026-06-09
Modified: 2026-07-21
Record from: the NVD, synced 2026-10-19

References

https://fr.wordpress.org/plugins/insert-php/
https://www.exploit-db.com/exploits/41308
https://www.vulncheck.com/advisories/wordpress-insert-php-plugin-php-code-injection-via-rest-api

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