8.1

CVE-2025-48954

Discourse vulnerable to XSS via user-provided query parameter in oauth failure flow

Discourse is an open-source discussion platform. Versions prior to 3.5.0.beta6 are vulnerable to cross-site scripting when the content security policy isn't enabled when using social logins. Version 3.5.0.beta6 patches the issue. As a workaround, have the content security policy enabled.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Discourse ≫ Discourse SwEditionbeta Version < 3.5.0
Discourse ≫ Discourse Version3.5.0 Updatebeta1 SwEditionbeta
Discourse ≫ Discourse Version3.5.0 Updatebeta2 SwEditionbeta
Discourse ≫ Discourse Version3.5.0 Updatebeta3 SwEditionbeta
Discourse ≫ Discourse Version3.5.0 Updatebeta4 SwEditionbeta
Discourse ≫ Discourse Version3.5.0 Updatebeta5 SwEditionbeta
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.63% 0.454
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
security-advisories@github.com 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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.

https://github.com/discourse/discourse/security/advisories/GHSA-26p5-mjjh-wfcf
Vendor Advisory