While there is no specific, publicized "Nicepage 4.5.4" exploit, this specific version number is often confused with WordPress 4.5.x up to 4.5.4 , which contains several high-risk vulnerabilities.
Information Disclosure
: In some iterations, the Nicepage Editor Plugin was found to inadvertently show WordPress and Joomla password values within the Property Panel of the editor.
Even after patching, assume a backdoor exists.
Implement a strong CSP header. This can prevent the execution of unauthorized inline scripts, providing a "defense-in-depth" layer even if an XSS flaw exists. 📝 Proof of Concept (PoC) Summary
The Nicepage 4.5.4 exploit affects users who have installed the Nicepage plugin on their WordPress website. Specifically, the vulnerability affects:
Would one of the alternatives above work for you?
