Stored XSS Vulnerability in WP Import Export Lite Plugin by WordPress
CVE-2026-76558

Currently unrated

Key Information:

Vendor

WordPress
Status
WP Import Export Lite
Vendor
CVE Published:
16 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-76558?

The WP Import Export Lite plugin prior to version 3.9.33 contains a vulnerability that fails to properly escape custom field names fetched from the database. This oversight allows users with minimal privileges, such as contributors, to execute Stored XSS attacks. The malicious scripts will trigger in the browser of users with higher privileges, including administrators, when they view the affected administration screens. This vulnerability highlights the importance of input sanitization and user role permissions in safeguarding web applications.

Affected Version(s)

WP Import Export Lite 0 < 3.9.33

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.

CVE-2026-76558 - Proof of Concept

References

https://wpscan.com/vulnerability/13543562-6ec0-4265-b1f7-...
exploitvdb-entrytechnical-description

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

mak3bread(Minseong Kim)
WPScan
.