CVE-2026-1116CWE-79

Cross-site Scripting (XSS) in parisneo/lollms

High · published April 12, 2026

CVSS v3.0
8.2
EPSS
0%
Percentile
16.5
In the wild
Unconfirmed
What it is

A Cross-site Scripting (XSS) vulnerability was identified in the `from_dict` method of the `AppLollmsMessage` class in parisneo/lollms prior to version 2.2.0. The vulnerability arises from the lack of sanitization or HTML encoding of the `content` field when deserializing user-provided data. This allows an attacker to inject malicious HTML or JavaScript payloads, which can be executed in the context of another user's browser. Exploitation of this vulnerability can lead to account takeover, session hijacking, or wormable attacks.

The record
Technical detail
CVSS v3.0
8.2 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00258 · 16.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-04-12T02:22Z
EPSS history
Timeline
  • 12 APR 02:22Z
    Cross-site Scripting (XSS) in parisneo/lollms
    cvelistv5