EIP-2026-104130

PRE-CVE

WebWasher Classic 2.2/3.3 - Error Message Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104130. PoCs published by Oliver Karow.

AI-analyzed exploit summary The document describes a cross-site scripting (XSS) vulnerability in WebWasher Classic, where user-supplied data in error messages is not properly sanitized, allowing remote attackers to execute arbitrary script code in a user's browser. The vulnerability affects versions 3.3 Build 44 and 2.2.1, with potential impact on other versions.

Description

WebWasher Classic 2.2/3.3 - Error Message Cross-Site Scripting

Exploits (1)

exploitdb WRITEUP VERIFIED
by Oliver Karow · textremotemultiple
https://www.exploit-db.com/exploits/23380

The document describes a cross-site scripting (XSS) vulnerability in WebWasher Classic, where user-supplied data in error messages is not properly sanitized, allowing remote attackers to execute arbitrary script code in a user's browser. The vulnerability affects versions 3.3 Build 44 and 2.2.1, with potential impact on other versions.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: WebWasher Classic 3.3 Build 44, 2.2.1
No auth needed
Prerequisites: A web browser vulnerable to XSS · User interaction to click a malicious link
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026