CVE-2025-8848: HTML Injection in Accept-Language Header in danny-avila/librechat
danny-avila · danny-avila/librechat
Affected: danny-avila/librechat · Exploitation: check available, not yet exploited
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 39% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- danny-avila · danny-avila/librechatup to and including latest
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Check available, not yet exploited. A public nuclei template can confirm it on a system you are authorised to test.
- CISA KEV
- Not listed
- Public check
- LibreChat <= 0.7.9 - HTML Injection via Accept-Language Header · nuclei template in projectdiscovery/nuclei-templates
- Vendor
- danny-avila
- Published
- October 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-8848 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.