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Vulnerability Intelligence

CVE-2026-1115

CriticalPublic exploit

parisneo/lollms vulnerable to stored XSS in the social feature

Published Apr 10, 2026 · Updated Aug 29, 2026 · Also known as GHSA-8wrq-fv5f-pfp2, PYSEC-2026-401

Key Facts

Patch immediately
  • CVE-2026-1115 is a critical-severity vulnerability (CVSS 9.6 v3.1) affecting Lollms, parisneo/lollms.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 1.3% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Lollms 2.2.0, Lollms 2.1.0, parisneo/lollms 2.2.0.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

CVSS v3.1

9.6

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

1.3%

Higher than 69.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

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Description

A Stored Cross-Site Scripting (XSS) vulnerability was identified in the social feature of parisneo/lollms, affecting the latest version prior to 2.2.0. The vulnerability exists in the create_post function within backend/routers/social/init.py, where user-provided content is directly assigned to the DBPost model without sanitization. This allows attackers to inject and store malicious JavaScript, which is executed in the browsers of users viewing the Home Feed, including administrators. This can lead to account takeover, session hijacking, and wormable attacks. The issue is resolved in version 2.2.0.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
LollmsLollmsSee advisory2.1.0
parisneo/lollms>= unspecified2.2.0

Patched Releases

Lollms

2.2.0, 2.1.0

parisneo/lollms

2.2.0

Timeline

  1. Publicly disclosed

    Apr 10, 2026

  2. Last updated

    Aug 29, 2026

Weakness Type

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

2 more references in the full CVE brief

FAQ

Common Questions.

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