What is CVE-2017-20251?

CVE-2017-20251 is a critical-severity vulnerability, 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.

CVE-2017-20251

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 ca…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (21.1th percentile) — read the EPSS interpretation.

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.

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

Polosss/By-Poloss..-..CVE-2017-20251

References

Frequently asked questions

What is CVE-2017-20251?: CVE-2017-20251 is a critical-severity vulnerability, 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.