1136 matches found
Mastodon Prototype Pollution Vulnerability
The GitHub repository mastodon/mastodon prior to 3.5.0 contains a Prototype Pollution vulnerability. id: CVE-2022-0432 info: name: Mastodon Prototype Pollution Vulnerability author: pikpikcu severity: medium description: The GitHub repository mastodon/mastodon prior to 3.5.0 contains a Prototype...
Mastodon - Open Redirect
Mastodon version 4.5.8, 4.4.15, 4.3.21 is vulnerable to unauthenticated Open Redirect vulnerability CWE-601 exists in the /web/ route due to improper handling of URL-encoded path segments. id: CVE-2026-33868 info: name: Mastodon - Open Redirect author: theamanrawat severity: medium description: |...
CVE-2026-11798
The Social Share, Social Login and Social Comments Plugin – Super Socializer plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'heateormastodonshare' parameter in all versions up to, and including, 7.14.5 due to insufficient input sanitization and output escaping. This...
CVE-2026-11798
The CVE concerns the WordPress plugin Social Share, Social Login and Social Comments Plugin – Super Socializer . It is vulnerable to Reflected Cross-Site Scripting via the parameter heateor_mastodon_share in all versions up to and including 7.14.5 , caused by insufficient input sanitization and o...
EUVD-2026-42168
The Social Share, Social Login and Social Comments Plugin – Super Socializer plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'heateormastodonshare' parameter in all versions up to, and including, 7.14.5 due to insufficient input sanitization and output escaping. This...
CVE-2026-11798 Social Share, Social Login and Social Comments Plugin <= 7.14.5 - Reflected Cross-Site Scripting via 'heateor_mastodon_share' Parameter
The Social Share, Social Login and Social Comments Plugin – Super Socializer plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'heateormastodonshare' parameter in all versions up to, and including, 7.14.5 due to insufficient input sanitization and output escaping. This...
BIT-MASTODON-2026-50129 Mastodon: Persistent anonymous DoS via unhandled NoMethodError in MATH_TRANSFORMER
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.24, a DoS can be triggered by Uncaught Exception vulerability, due to missing exception handling in the math sanitizer. Malformed nodes can result in a DoS of a whole server or targeted...
BIT-MASTODON-2026-50128 Mastodon: Spoofing of attribution domains
Mastodon is a free, open-source social network server based on ActivityPub. From 4.3.0 until 4.5.11 and 4.4.18, Mastodon has a feature to let websites credit authors of their articles. To prevent false attribution claims, Mastodon uses the attributionDomains JSON-LD term, however, an error in how...
BIT-MASTODON-2026-48028 Mastodon: Removal of integrity-protected JSON entries from signed activities
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing threat actors...
BIT-MASTODON-2026-47389 Mastodon: SSRF protection bypass on older Ruby versions
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, when using Ruby versions older than 3.4, PrivateAddressCheck.privateaddress? returns false for IPv4-mapped IPv6 addresses ::ffff:a.b.c.d corresponding to some private IPv4 addresses,...
BIT-MASTODON-2026-46349 Mastodon: LD-Signature Bypass via JSON-LD Named-Graph Restructuring
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing attackers to...
BIT-MASTODON-2026-46348 Mastodon: SSRF Bypass via IPv6 Unspecified Address (::)
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, the list of disallowed IP address ranges was lacking an IP address range that can be used to reach local IP addresses. An attacker can use an IP address in the affected range to make...
CVE-2026-17747
creationtimestamp| type| source ---|---|--- 2026-07-01 15:12:24+00:00| seen| https://mastodon.social/ap/users/115426718704364579/statuses/116845362686802526 2026-07-01 15:13:17+00:00| seen| https://bsky.app/profile/netsecio.bsky.social/post/3mplsksqemv2c...
CVE-2026-35801
creationtimestamp| type| source ---|---|--- 2026-07-01 15:12:04+00:00| seen| https://mastodon.social/ap/users/115426718704364579/statuses/116845361362974456 2026-07-01 15:12:59+00:00| seen| https://bsky.app/profile/netsecio.bsky.social/post/3mplskar52d2q...
CVE-2026-50129
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.24, a DoS can be triggered by Uncaught Exception vulerability, due to missing exception handling in the math sanitizer. Malformed nodes can result in a DoS of a whole server or targeted...
CVE-2026-50128
Mastodon is a free, open-source social network server based on ActivityPub. From 4.3.0 until 4.5.11 and 4.4.18, Mastodon has a feature to let websites credit authors of their articles. To prevent false attribution claims, Mastodon uses the attributionDomains JSON-LD term, however, an error in how...
CVE-2026-46348
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, the list of disallowed IP address ranges was lacking an IP address range that can be used to reach local IP addresses. An attacker can use an IP address in the affected range to make...
CVE-2026-46349
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing attackers to...
CVE-2026-47389
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, when using Ruby versions older than 3.4, PrivateAddressCheck.privateaddress? returns false for IPv4-mapped IPv6 addresses ::ffff:a.b.c.d corresponding to some private IPv4 addresses,...
CVE-2026-48028
Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing threat actors...