Remote Code Execution in Spam Protect for Contact Form 7 Plugin by WordPress
CVE-2026-1540
What is CVE-2026-1540?
The Spam Protect for Contact Form 7 WordPress plugin allows an unauthorized attacker with editor access to log specific information to a PHP file. This behavior can be exploited to execute arbitrary code on the server by crafting a malicious header. As such, it poses a security risk to websites utilizing this plugin, making it crucial for users to update to the latest version to mitigate potential exploitation.
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Affected Version(s)
Spam Protect for Contact Form 7 0 < 1.2.10
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.