RCE in Themeisle Woody Code Snippets
CVE-2017-20251
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Themeisle Woody Code Snippets — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- fr.wordpress.org/plugins/insert-php/ (product)
- www.exploit-db.com/exploits/41308 (exploit)
- www.vulncheck.com/advisories/wordpress-insert-php-plugin-php-code-injection-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2017-20251?
- CVE-2017-20251 is a critical-severity vulnerability in Themeisle Woody Code Snippets, classified under Code Injection. CVSS score: 9.8/10. Published 2026-06-09.
- How severe is CVE-2017-20251?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-20251 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.