HTMLi(XSS without CSP) via Onebox urls in Discourse
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| discourse | discourse | affected |
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Configuration 1 [-]
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-53113 | Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by posting a maliciously crafted onebox url. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should enable CSP, disable inline Oneboxes globally, or allow specific domains for Oneboxing. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.372% probability within 30 days)
| Type | Values Removed | Values Added |
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| CPEs |
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| CPEs | cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:* cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:* cpe:2.3:a:discourse:discourse:3.4.0:-:*:*:beta:*:*:* cpe:2.3:a:discourse:discourse:3.4.0:beta1:*:*:beta:*:*:* cpe:2.3:a:discourse:discourse:3.4.0:beta2:*:*:beta:*:*:* cpe:2.3:a:discourse:discourse:3.4.0:beta3:*:*:beta:*:*:* |
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| Metrics |
epss
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epss
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| Metrics |
ssvc
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ssvc
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| Metrics |
ssvc
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| Description | Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by posting a maliciously crafted onebox url. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should enable CSP, disable inline Oneboxes globally, or allow specific domains for Oneboxing. | |
| Title | HTMLi(XSS without CSP) via Onebox urls in Discourse | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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