Unrated severityNVD Advisory· Published Jun 25, 2025· Updated Jun 25, 2025
Discourse vulnerable to XSS via user-provided query parameter in oauth failure flow
CVE-2025-48954
Description
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.
AI Insight
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Affected products
3<3.5.0.beta6+ 1 more
- (no CPE)range: <3.5.0.beta6
- (no CPE)range: < 3.5.0.beta6
Patches
Vulnerability mechanics
References
1- github.com/discourse/discourse/security/advisories/GHSA-26p5-mjjh-wfcfmitrex_refsource_CONFIRM
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