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CVE Vulnerability Details :

CVE-2025-8848

PUBLISHED

More Info Official Page

Assigner-@huntr_ai

Assigner Org ID-c09c270a-b464-47c1-9133-acb35b22c19a

Published At-22 Oct, 2025 | 13:54

Updated At-30 Oct, 2025 | 18:22

▼CVE Numbering Authority (CNA)

HTML Injection in Accept-Language Header in danny-avila/librechat

A vulnerability in danny-avila/librechat version 0.7.9 allows for HTML injection via the Accept-Language header. When a logged-in user sends an HTTP GET request with a crafted Accept-Language header, arbitrary HTML can be injected into the <html lang=""> tag of the response. This can lead to potential security risks such as cross-site scripting (XSS) attacks.

Affected Products

Vendor

danny-avila

Product

danny-avila/librechat

Versions

Affected

From unspecified through latest (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-94	CWE-94 Improper Control of Generation of Code

Type: CWE

CWE ID: CWE-94

Description: CWE-94 Improper Control of Generation of Code

Metrics

Version	Base score	Base severity	Vector
3.0	4.8	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Version: 3.0

Base score: 4.8

Base severity: MEDIUM

Vector:

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

References

Hyperlink	Resource
https://huntr.com/bounties/a05ebc1f-882a-4adc-b178-d3cefa4b730e	N/A

Hyperlink: https://huntr.com/bounties/a05ebc1f-882a-4adc-b178-d3cefa4b730e

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References