HIGH 7.4 NVD
CVE-2026-87812
SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in Bazaar package cards where the iconURL metadata is inserted directly into HTML img
SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in Bazaar package cards where the iconURL metadata is inserted directly into HTML img src attributes without escaping. Attackers can inject malicious URLs with event handlers that execute JavaScript in the authenticated SiYuan origin when users view Bazaar listings, enabling API requests and application state manipulation.
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rvcf-q4h8-w6c9
- https://www.vulncheck.com/advisories/siyuan-before-3.8.2-stored-xss-via-bazaar-iconurl
This high severity vulnerability with a CVSS score of 7.4 was published on 2026-09-09 via NVD.
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