What is CVE-2025-48062?

CVE-2025-48062 is a high-severity vulnerability in Discourse, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-06-09.

How severe is CVE-2025-48062?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2025-48062 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Discourse

CVE-2025-48062

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version 3.5.0.beta6-dev of the `tests-passed` branch, certain invites via email may result in HTM…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Discourse — versions < 3.5.0.beta5, < 3.4.4, 3.5.0

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2025-48062?: CVE-2025-48062 is a high-severity vulnerability in Discourse, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-06-09.
How severe is CVE-2025-48062?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-48062 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.