CVE-2024-35234
Last modified
CVE-2024-35234 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Discourse is an open-source discussion platform. Prior to version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch, an attacker can execute arbitrary JavaScript on users’ browsers by posting a specific URL containing maliciously crafted meta tags. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
Discourse is an open-source discussion platform. Prior to version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch, an attacker can execute arbitrary JavaScript on users’ browsers by posting a specific URL containing maliciously crafted meta tags. This issue only affects sites with Content Security Polic (CSP) disabled. The problem has been patched in version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch. As a workaround, ensure CSP is enabled on the forum.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Discourse | Discourse | < 3.2.3 | — |
| Discourse | Discourse | < 3.3.0 | — |
| Discourse | Discourse | 3.3.0 | Beta1 |
References
- https://github.com/discourse/discourse/security/advisories/GHSA-5chg-hm8c-wc58Third Party Advisory
- https://github.com/discourse/discourse/security/advisories/GHSA-5chg-hm8c-wc58Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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