Mastodon's domain blocks & rationales ignore user approval when visibility set as "users"
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
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| mastodon | mastodon | affected |
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Configuration 1 [-]
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No data.
No data available yet.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-5447 | Mastodon is a self-hosted, federated microblogging platform. In versions prior to 4.1.23, 4.2.16, and 4.3.4, when the visibility for domain blocks/reasons is set to "users" (localized English string: "To logged-in users"), users that are not yet approved can view the block reasons. Instance admins that do not want their domain blocks to be public are impacted. Versions 4.1.23, 4.2.16, and 4.3.4 fix the issue. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.357% probability within 30 days)
| Type | Values Removed | Values Added |
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| First Time appeared |
Joinmastodon
Joinmastodon mastodon |
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| CPEs | cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Joinmastodon
Joinmastodon mastodon |
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|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mastodon is a self-hosted, federated microblogging platform. In versions prior to 4.1.23, 4.2.16, and 4.3.4, when the visibility for domain blocks/reasons is set to "users" (localized English string: "To logged-in users"), users that are not yet approved can view the block reasons. Instance admins that do not want their domain blocks to be public are impacted. Versions 4.1.23, 4.2.16, and 4.3.4 fix the issue. | |
| Title | Mastodon's domain blocks & rationales ignore user approval when visibility set as "users" | |
| Weaknesses | CWE-200 CWE-285 |
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| References |
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| Metrics |
cvssV3_1
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