Stored XSS Vulnerability in Add From Server Lite Plugin by WordPress
CVE-2026-121796

Currently unrated

Key Information:

Vendor

WordPress
Status
Add From Server Lite
Vendor
CVE Published:
7 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-121796?

The Add From Server Lite plugin for WordPress has a vulnerability that allows users with the Author role and higher to upload SVG files without restrictions. This weakness can enable potential attackers to embed JavaScript code within these files, leading to Stored Cross-Site Scripting (XSS) attacks. Consequently, malicious scripts can be executed in the context of other users, jeopardizing their data and security.

Affected Version(s)

Add From Server Lite 0 < 6.0.0

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-2026-121796 - Proof of Concept

References

https://wpscan.com/vulnerability/1678486d-97cb-4a31-bb03-...
exploitvdb-entrytechnical-description

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kovserov Hikmet
WPScan
.