CVE-2026-34605 SiYuan: Reflected XSS via SVG namespace prefix bypass in SanitizeSVG ( getDynamicIcon, unauthenticated )

SiYuan is a personal knowledge management system. From version 3.6.0 to before version 3.6.2, the SanitizeSVG function introduced in version 3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5...

PT-2026-29401

Summary The SanitizeSVG function introduced in v3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5 parser records the element's tag as "x:script" rather than "script", so the tag check passes i...

GO-2026-4721 SiYuan has a SanitizeSVG bypass via data:text/xml in getDynamicIcon (incomplete fix for CVE-2026-29183) in github.com/siyuan-note/siyuan

SiYuan has a SanitizeSVG bypass via data:text/xml in getDynamicIcon incomplete fix for CVE-2026-29183 in github.com/siyuan-note/siyuan...

CVE-2026-32940 SiYuan has a SanitizeSVG bypass via data:text/xml in getDynamicIcon (incomplete fix for CVE-2026-29183)

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, SanitizeSVG has an incomplete blocklist — it blocks data:text/html and data:image/svg+xml in href attributes but misses data:text/xml and data:application/xml, both of which can render SVG with JavaScript execution. Th...

SiYuan 安全漏洞

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan itself. Versions of SiYuan 3.6.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from incomplete blocklists in SanitizeSVG, as well as the lack of escaping, which could lead to...

PT-2026-26178

Name of the Vulnerable Software and Affected Versions SiYuan versions 3.6.0 and earlier Description SiYuan, a personal knowledge management system, has an incomplete blocklist in its SanitizeSVG function. The function blocks 'data:text/html' and 'data:image/svg+xml' in 'href' attributes but fails...

EUVD-2023-0483

Malicious code in bioql PyPI...

CVE-2024-6581

A vulnerability in the discussion image upload function of the Lollms application, version v9.9, allows for the uploading of SVG files. Due to incomplete filtering in the sanitizesvg function, this can lead to cross-site scripting XSS vulnerabilities, which in turn pose a risk of remote code...

CVE-2023-22461

The sanitize-svg package, a small SVG sanitizer to prevent cross-site scripting attacks, uses a deny-list-pattern to sanitize SVGs to prevent XSS. In doing so, literal...

PT-2025-1629 · WordPress · Wp-Enable-Svg

Name of the Vulnerable Software and Affected Versions: wp-enable-svg WordPress plugin versions 0.7 and earlier wp-enable-svg WordPress plugin versions 0.2 and earlier Description: The issue is related to the wp-enable-svg WordPress plugin, which does not sanitize SVG files when uploaded. This...

Cross-site Scripting (XSS)

Overview lollms is a python library for AI personality definition Affected versions of this package are vulnerable to Cross-site Scripting XSS via the sanitizesvg function. Details Cross-site scripting or XSS is a code vulnerability that occurs when an attacker “injects” a malicious script into a...

PYSEC-2024-116

A vulnerability in the discussion image upload function of the Lollms application, version v9.9, allows for the uploading of SVG files. Due to incomplete filtering in the sanitizesvg function, this can lead to cross-site scripting XSS vulnerabilities, which in turn pose a risk of remote code...

CVE-2023-6708

The SVG Support plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the SVG upload feature in all versions up to, and including, 2.5.7 due to insufficient input sanitization and output escaping, even when the 'Sanitize SVG while uploading' feature is enabled. This makes it...

CVE-2024-4269 SVG Block < 1.1.20 - Author+ Stored XSS via SVG File Upload

The SVG Block WordPress plugin before 1.1.20 does not sanitize SVG file contents, which enables users with at least the author role to SVG with malicious JavaScript to conduct Stored XSS attacks...

CVE-2023-2143

The Enable SVG, WebP & ICO Upload WordPress plugin through 1.0.3 does not sanitize SVG file contents, leading to a Cross-Site Scripting vulnerability...

@mattkrick/sanitize-svg vulnerable to Cross-Site Scripting (XSS)

Impact The sanitize-svg package uses a deny-list-pattern to sanitize SVGs to prevent cross-site scripting XSS. In doing so, literal -tags and on-event handlers were detected: typescript ... const svgEl = div.firstElementChild! const attributes = Array.fromsvgEl.attributes.map name = name const...

GHSA-H857-2G56-468G @mattkrick/sanitize-svg vulnerable to Cross-Site Scripting (XSS)

Impact The sanitize-svg package uses a deny-list-pattern to sanitize SVGs to prevent cross-site scripting XSS. In doing so, literal -tags and on-event handlers were detected: typescript ... const svgEl = div.firstElementChild! const attributes = Array.fromsvgEl.attributes.map name = name const...

CVE-2023-22461

The sanitize-svg package, a small SVG sanitizer to prevent cross-site scripting attacks, uses a deny-list-pattern to sanitize SVGs to prevent XSS. In doing so, literal -tags and on-event handlers were detected in versions prior to 0.4.0. As a result, downstream software that relies on sanitize-sv...

Cross site scripting

The sanitize-svg package, a small SVG sanitizer to prevent cross-site scripting attacks, uses a deny-list-pattern to sanitize SVGs to prevent XSS. In doing so, literal -tags and on-event handlers were detected in versions prior to 0.4.0. As a result, downstream software that relies on sanitize-sv...

CVE-2023-22461 sanitize-svg Filter Bypass Allows Cross-Site Scripting (XSS)

The sanitize-svg package, a small SVG sanitizer to prevent cross-site scripting attacks, uses a deny-list-pattern to sanitize SVGs to prevent XSS. In doing so, literal -tags and on-event handlers were detected in versions prior to 0.4.0. As a result, downstream software that relies on sanitize-sv...