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HIGH

CVE-2025-48954

CVSS v3

8.1

HIGH

EPSS Score

10.1 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

CVSS v3 Vector
3.1
Published
2025-06-25
Last Modified
2025-09-25

Frequently asked questions

What is CVE-2025-48954?

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.

Is CVE-2025-48954 actively exploited?

Active exploitation of CVE-2025-48954 has not been confirmed. The EPSS score is 10.1%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-48954?

CVE-2025-48954 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string 3.1.

Is CVE-2025-48954 affecting your environment?

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