AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. In 1.16.1 and earlier, the manager role can store meta_page_title or meta_page_favicon through /api/admin/system-preferences, and MetaGenerator inserts those values into production homepage HTML without escaping attribute values or text content. The values pass unchanged through server/models/systemSettings.js and reach MetaGenerator.generate() in server/index.js. #assembleMeta() in server/utils/boot/MetaGenerator.js concatenates the stored values into HTML. When an administrator visits the homepage /, injected JavaScript can read the administrator JWT and use it to create API keys, access or modify workspace and chat data, delete users, and perform other administrator actions. server/endpoints/admin.js accepts the manager-controlled settings before server/models/systemSettings.js returns them unchanged. No fixed version is available as of this review.
References
Configurations
No configuration.
History
No history.
Information
Published : 2026-09-10 18:18
Updated : 2026-09-10 19:54
NVD link : CVE-2026-88055
Mitre link : CVE-2026-88055
CVE.ORG link : CVE-2026-88055
JSON object : View
Products Affected
No product.
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
