CVE-2026-90569
Received Received - Intake

Cross-Site Scripting in Litemall Admin Topic Handler

Publication date: 2026-09-13

Last updated on: 2026-09-13

Assigner: VulDB

Description
A flaw has been found in linlinjava litemall 1.5.0/1.6.0/1.7.0/1.8.0. This vulnerability affects the function AdminTopicController.validate of the file litemall-vue/src/views/items/topic/index.vue of the component Admin Topic Handler. This manipulation causes cross site scripting. The attack may be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.

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Meta Information

Published
2026-09-13
Last Modified
2026-09-13
Generated
2026-09-13
AI Q&A
2026-09-13
EPSS Evaluated
N/A
NVD
CVE-2026-90569
EUVD
EUVD-2026-77046

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
linlinjava litemall 1.5.0
linlinjava litemall 1.6.0
linlinjava litemall 1.7.0
linlinjava litemall 1.8.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

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Executive Summary

This is a stored cross-site scripting (XSS) vulnerability in the litemall e-commerce system. It occurs in the AdminTopicController.validate function where user input is not properly sanitized before being stored and rendered. Attackers with topic creation or editing privileges can inject malicious HTML/JavaScript into the topic content, which is then executed when other users view the topic page due to unsafe v-html rendering.

Detection Guidance

To detect this XSS vulnerability, inspect the litemall admin interface for topic creation/editing pages. Check if the system allows saving HTML content without proper sanitization. Look for GET requests to /wx/topic/detail?id= and verify if the response uses v-html to render user-controlled input.

Impact Analysis

If exploited, this vulnerability could allow attackers to execute arbitrary JavaScript in the context of other users' browsers. This may lead to session hijacking, theft of sensitive data like cookies or tokens, defacement of pages, or redirection to malicious sites. Users with low-privilege admin roles (like 'promotion admin') can launch attacks without needing super admin access.

Compliance Impact

This XSS vulnerability could violate GDPR by enabling theft of user data through malicious scripts. For HIPAA, it may expose protected health information if processed in healthcare contexts. Both regulations require protection against unauthorized data access, which this flaw undermines by allowing script execution in user sessions.

Mitigation Strategies

Immediately update to a patched version of litemall if available. If not, implement server-side HTML sanitization for topic content before storage. Replace v-html with text interpolation in Vue templates. Remove dangerous HTML tags and attributes in user input.

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