BIT-MASTODON-2026-23962 Mastodon vulnerable to Denial of Service from a single post (client/server)

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

PT-2026-6340

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

📄 WP-Polls 2.73 Cross Site Scripting

A cross site scripting vulnerability exists in WP-Polls WordPress Plugin version 2.73. This issue is older research added to the archive. WP-Polls 2.73 - Reflected Cross-site Scripting Advisory ID: RO-16-005 CVE ID: CVE-2016-10936 Severity: Medium Vendor: WordPress Product: WP-Polls Version: 2.73...

CVE-2026-23962

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

CVE-2026-23962

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

CVE-2026-23962 Mastodon vulnerable to Denial of Service from a single post (client/server)

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

EUVD-2026-4208

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

CVE-2026-23962

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

CVE-2026-23962 Mastodon vulnerable to Denial of Service from a single post (client/server)

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

CVE-2026-23962

Mastodon is vulnerable to Denial of Service due to an unlimited maximum number of poll options for remote posts in versions before v4.3.18, v4.4.12, and v4.5.5. The underlying issue allows an attacker to create polls with a very large number of options, leading to disproportionate resource usage ...

CVE-2026-23962 Mastodon vulnerable to Denial of Service from a single post (client/server)

Mastodon is a free, open-source social network server based on ActivityPub. Mastodon versions before v4.3.18, v4.4.12, and v4.5.5 do not have a limit on the maximum number of poll options for remote posts, allowing attackers to create polls with a very large amount of options, greatly increasing...

PT-2026-3900

Name of the Vulnerable Software and Affected Versions Mastodon versions prior to 4.3.18 Mastodon versions prior to 4.4.12 Mastodon versions prior to 4.5.5 Description Mastodon is a free, open-source social network server based on ActivityPub. Versions of Mastodon prior to 4.3.18, 4.4.12, and 4.5....

CVE-2023-43814 Exposure of poll options and votes to unauthorized users in Discourse

Discourse is an open source platform for community discussion. Attackers with details specific to a poll in a topic can use the /polls/groupedpollresults endpoint to view the content of options in the poll and the number of votes for groups of poll participants. This impacts private polls where t...

CVE-2021-24834

The YOP Poll WordPress plugin before 6.3.1 is affected by a stored Cross-Site Scripting vulnerability which exists in the Create Poll - Options module where a user with a role as low as author is allowed to execute arbitrary script code within the context of the application. This vulnerability is...

MediaWiki 跨站脚本漏洞

MediaWiki is a set of free and freely available web-based Wiki engines from the MediaWiki Wikimedia Foundation in the United States. It can be used to deploy in-house knowledge management and content management systems. A cross-site scripting vulnerability exists in MediaWiki version 1.35, which...

CVE-2018-15833

In Vanilla before 2.6.1, the polling functionality allows Insecure Direct Object Reference IDOR via the Poll ID, leading to the ability of a single user to select multiple Poll Options e.g., vote for multiple items...

Vanilla: Able to Select Every Poll Option[http://tedwebers-famous-loudspeakers.vanillacommunities.com]

Summary: Hello I would like to report a bug in which i was able to select multiple poll options even when a user is only allowed to select a single option. Description: In the New discussion are of the site http://tedwebers-famous-loudspeakers.vanillacommunities.com , there is an option to create...