CVE-2026-23847 SiYuan Vulnerable to Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 are vulnerable to reflected cross-site scripting in /api/icon/getDynamicIcon due to unsanitized SVG input. The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the S...

Nextcloud: Combination of content provider allows private data disclosure

Good afternoon. Sorry, its me again .. I use NC on a daily basis so I often makes some checks .. As per 489105, document thumbnail shall not be disclosed. The exposure on thumbnailCache/ is an already know issue. However, malicious apps are still able to extract at least pictures and text files b...