CVE-2026-87809

Siyuan before v3.8.2 fails to apply publish-access filtering to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. Attackers with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by accessing publ...

CVE-2026-87809

Siyuan before v3.8.2 contains an information disclosure flaw where publish-access filtering is not applied to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. An attacker with reader-level access can retrieve the full rendered content of private...

EUVD-2026-74835

Siyuan before v3.8.2 fails to apply publish-access filtering to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. Attackers with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by accessing publ...

PT-2026-71237

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description An issue exists where the software fails to filter embedded block content based on publish access permissions. While the initial requested block is checked for authorization, blocks pulled in via embe...

CVE-2024-10493

The Element Pack Elementor Addons Header Footer, Template Library, Dynamic Grid & Carousel, Remote Arrows WordPress plugin before 5.10.3 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the...

CVE-2024-3692

The Gutenverse WordPress plugin before 1.9.1 does not validate the htmlTag option in various of its block before outputting it back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks...