CVE-2025-48954

6.1 mediumEPSS 0.7%

Medium (6.1) in discourse discourse. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-06-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

discourse:discourse

References

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

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