Ruby on Rails: Rails::HTML::Sanitizer.allowed_uri? returns true for entity-encoded control-character-split javascript: URLs

A vulnerability was discovered in the Rails::HTML::Sanitizer.alloweduri? method of the rails-html-sanitizer library. The method incorrectly returned true for entity-encoded control-character-split javascript: URLs, which could lead to potential security issues if the application relied on the...

CVE-2026-3910

Inappropriate implementation in V8 in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: High...

CVE-2026-3910

Inappropriate implementation in V8 in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: High...

CVE-2026-32308

OneUptime prior to version 10.0.23 is affected by a Stored XSS in the Markdown viewer’s Mermaid diagram rendering. The renderer uses securityLevel: "loose" and injects Mermaid SVG output via innerHTML, allowing interactive bindings and enabling XSS via Mermaid’s click directive to execute arbitra...

GO-2026-4669 SiYuan has a SVG Sanitizer Bypass via Whitespace in `javascript:` URI — Unauthenticated XSS in github.com/siyuan-note/siyuan/kernel

SiYuan has a SVG Sanitizer Bypass via Whitespace in javascript: URI — Unauthenticated XSS in github.com/siyuan-note/siyuan/kernel...

Arbitrary Code Injection

md-to-pdf is vulnerable to Arbitrary Code Injection. The vulnerability is due to a Markdown front-matter block that contains JavaScript delimiter, where the JS engine in gray-matter library executes arbitrary code in the Markdown to PDF converter process of md-to-pdf library, and attackers can...

@aabelmann/ui-layer (0.0.1), @adinvadim/convex-vue (>=1.1.0, <=1.3.0) +714 more potentially affected by unknown CVE via devalue (>=4.0.1, <=5.6.3)

devalue NPM version =4.0.1, =1.1.0, =1.0.0, =0.2.2, =0.2.2, =0.2.2, =0.3.0, =0.5.7, =0.0.1-beta.3, =0.0.1-alpha.1, =0.0.17, =0.0.2, =0.0.1, =0.2.0 - @astro-component/button 0.0.1 and more Source cves: unknown CVE Source advisory: OSV:GHSA-MWV9-GP5H-FRR4...

EUVD-2026-11385

ha-mcp has XSS via Unescaped HTML in OAuth Consent Form...

GHSA-RCP6-88MM-9VGF Copyparty has unexpected JavaScript execution via crafted URL to folder with `.prologue.html`

If an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note that it is intended behavior that the JavaScript would...

EUVD-2026-11379

Copyparty has unexpected JavaScript execution via crafted URL to folder with .prologue.html...

Copyparty has unexpected JavaScript execution via crafted URL to folder with `.prologue.html`

If an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note that it is intended behavior that the JavaScript would...

GHSA-5339-HVWR-7582 Unhead Vulnerable to Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

The link.href check in makeTagSafe safe.ts, line 68-71 uses String.includes, which is case-sensitive: typescript if key === 'href' if val.includes'javascript:' || val.includes'data:' return nextkey = val Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as...

Unhead Vulnerable to Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

The link.href check in makeTagSafe safe.ts, line 68-71 uses String.includes, which is case-sensitive: typescript if key === 'href' if val.includes'javascript:' || val.includes'data:' return nextkey = val Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as...

@saasmakers/ui (>=0.1.88, <=2.0.71), @styleframe/docs (>=1.1.0, <=2.0.1) +12 more potentially affected by CVE-2026-31860 via unhead (>=2.0.0, <=2.1.10)

unhead NPM version =2.0.0, =0.1.88, =1.1.0, =2.0.0-alpha.19, =2.0.0-alpha.9, =2.0.0-alpha.0, =2.0.0-alpha.18, =2.0.0-alpha.17, =2.0.0-alpha.0, =1.2.0, =0.0.2, =0.17.0, =2.0.0-alpha.8, =0.1.0-beta.10, =0.1.0-beta.14 Source cves: CVE-2026-31860 Source advisory: SNYK:JS-UNHEAD-15627227...

org.webjars.npm:unhead__vue (>=1.11.20, <=2.1.10), org.webjars.npm:vueuse__head (1.0.22) potentially affected by CVE-2026-31860 via org.webjars.npm:unhead (>=1.11.20, <=2.1.10)

org.webjars.npm:unhead MAVEN version =1.11.20, =1.11.20, =2.1.10 - org.webjars.npm:vueusehead 1.0.22 Source cves: CVE-2026-31860 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-15627228...

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird 140.8 MFSA 2026-17 bsc1258568: CVE-2026-2757: Incorrect boundary conditions in the WebRTC: Audio/Video component CVE-2026-2758: Use-after-free in the JavaScript: GC component CVE-2026-2759: Incorrect boundary...

SUSE-SU-2026:0880-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird 140.8 MFSA 2026-17 bsc1258568: - CVE-2026-2757: Incorrect boundary conditions in the WebRTC: Audio/Video component - CVE-2026-2758: Use-after-free in the JavaScript: GC component - CVE-2026-2759: Incorrect boundary...

firefox: thunderbird: Use-after-free in the JavaScript Engine component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript Engine component...

firefox: thunderbird: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component...

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript: WebAssembly component...