CVE-2023-42451
High
Description
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2 contain a patch for this issue.
SeverityHigh
CVSS7.4
Exploit probability—
Product
Mastodon
PublishedSep 19, 2023
First seenSep 19, 2023
Weakness typeCWE-706CWE-706
How to fix
Update
- joinmastodon mastodon3.5.14, 4.0.10, 4.1.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| joinmastodon mastodon | v < 3.5.14, 4.0.0 ≤ v < 4.0.10, 4.1.0 ≤ v < 4.1.8, 4.2.0 | 3.5.14, 4.0.10, 4.1.8 |
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