SiYuan vulnerable to reflected XSS via SVG namespace prefix bypass in SanitizeSVG (getDynamicIcon, unauthenticated)

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...

CVE-2026-34605

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...

CVE-2026-34605

SiYuan 3.6.0–3.6.1 suffer a bypass of the SanitizeSVG XSS fix on the unauthenticated /api/icon/getDynamicIcon endpoint. The Go HTML5 parser records namespace-prefixed SVG tags as x:script, allowing the tag to bypass the numeric sprite check; when served as image/svg+xml without a CSP, the browser...

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...

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...

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...

CLSA-2026-1768411712 php: Fix of 2 CVEs

CVE-2025-1220: fix null byte termination in hostnames - CVE-2025-6491: fix NULL pointer dereference in PHP SOAP extension via large XML namespace prefix...

CBL Mariner 2.0 Security Update: php (CVE-2025-6491)

The version of php installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-6491 advisory. - In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML...

NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix

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Security update for php8

This update for php8 fixes the following issues: Version update to 8.3.23: CVE-2025-1220: Fixed null byte termination in hostnames bsc1246167 CVE-2025-1735: Fixed pgsql extension does not check for errors during escaping bsc1246146 CVE-2025-6491: Fixed NULL Pointer Dereference in PHP SOAP Extensi...

BIT-PHP-2025-6491 NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix

In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML data in SOAP extensions, overly large 2Gb XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server...

CVE-2025-6491 NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix

In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML data in SOAP extensions, overly large 2Gb XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server...

CVE-2025-6491

CVE-2025-6491 causes a NULL pointer dereference in the PHP SOAP extension when parsing XML data with very large ( >2 GB) XML namespace prefixes, leading to server crashes and potential availability impact. It affects PHP versions across 8.1–8.4 series before patched releases; patched versions ...

CVE-2025-6491: NULL Pointer Dereference

In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 when parsing XML data in SOAP extensions, overly large 2Gb XML namespace prefix may lead to null pointer dereference. This may lead to crashes and affect the availability of the target server...

BIT-GOLANG-2020-29509

The encoding/xml package in Go all versions does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications...

expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

A flaw was found in expat. Passing one or more namespace separator characters in the "xmlns:prefix" attribute values made expat send malformed tag names to the XML processor on top of expat. This issue causes arbitrary code execution depending on how unexpected cases are handled inside the XML...

expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution

A flaw was found in expat. Passing one or more namespace separator characters in the "xmlns:prefix" attribute values made expat send malformed tag names to the XML processor on top of expat. This issue causes arbitrary code execution depending on how unexpected cases are handled inside the XML...

GHSA-M9HP-7R99-94H5 Critical security issues in XML encoding in github.com/dexidp/dex

Impact The following vulnerabilities have been disclosed, which impact users leveraging the SAML connector: Signature Validation Bypass CVE-2020-15216: https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7 encoding/xml instabilities: - Element namespace prefix...

CVE-2020-29511

The encoding/xml package in Go all versions does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications...