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CVE-2026-1115— Stored XSS in parisneo/lollms

Quick assessment

Affected
parisneo parisneo/lollms
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LoLLMs是Saifeddine ALOUI个人开发者的一个大型语言与多模态系统。 LoLLMs 2.2.0之前版本存在安全漏洞，该漏洞源于create_post函数未对用户提供的内容进行清理，可能导致存储型跨站脚本攻击，进而引发账户接管、会话劫持或蠕虫式攻击。

AI Predicted 8.1 Difficulty: Easy EPSS 1.26% · P69

Public Exploits 1

Nuclei · 1 CVE-2026-1115.yaml [template]
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I. Basic Information for CVE-2026-1115

Vulnerability Information
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Vulnerability Title
Stored XSS in parisneo/lollms
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
LoLLMs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LoLLMs是Saifeddine ALOUI个人开发者的一个大型语言与多模态系统。 LoLLMs 2.2.0之前版本存在安全漏洞，该漏洞源于create_post函数未对用户提供的内容进行清理，可能导致存储型跨站脚本攻击，进而引发账户接管、会话劫持或蠕虫式攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
parisneo parisneo/lollms unspecified ~ 2.2.0 -

II. Public POCs for CVE-2026-1115

# POC Description Source Link Shenlong Link
1 parisneo/lollms < 2.2.0 contains a stored XSS caused by unsanitized user input in create_post function in backend/routers/social/__init__.py, letting attackers inject malicious scripts executed in user browsers, exploit requires crafted post submission. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-1115.yaml POC Details
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III. Intelligence Information for CVE-2026-1115

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Patches & Fixes for CVE-2026-1115 (1)

Vendor Advisories for CVE-2026-1115 (1)

IV. Related Vulnerabilities

Same product: parisneo/lollms
Same vendor: parisneo
Same weakness: CWE-79

V. Comments for CVE-2026-1115

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