What is CVE-2026-1540?

CVE-2026-1540 is a high-severity vulnerability in Spam Protect For Contact Form 7, classified under Code Injection. CVSS score: 7.2/10. Published 2026-04-02.

How severe is CVE-2026-1540?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Spam Protect For Contact Form 7

CVE-2026-1540

The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header

Vulnerability class: RCE (Remote Code Execution)

Published 2026-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.8th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.8% 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

Spam Protect For Contact Form 7 — versions 0

Weakness classification (CWE)

CWE-94 — Code Injection

References

wpscan.com/vulnerability/ad00d1bb-ea8d-44a3-9064-6412804d9e95/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-1540?: CVE-2026-1540 is a high-severity vulnerability in Spam Protect For Contact Form 7, classified under Code Injection. CVSS score: 7.2/10. Published 2026-04-02.
How severe is CVE-2026-1540?: High severity. CVSS v3 base score is 7.2 out of 10.