TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Summary The TinaCMS admin builds its preview from the // hash-router splat without checking that the value stays same-origin. A fragment with a doubled slash ///attacker.example/p becomes the protocol-relative URL //attacker.example/p, so the admin frames an external site. That same unvalidated...

NPM: TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

NPM: TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment vulnerability discovered by ? in WordPress Npm tinacms versions = 3.13.0...

GHSA-X34J-47HF-4XG7 TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Summary The TinaCMS admin builds its preview from the // hash-router splat without checking that the value stays same-origin. A fragment with a doubled slash ///attacker.example/p becomes the protocol-relative URL //attacker.example/p, so the admin frames an external site. That same unvalidated...

CVE-2026-108261

Tina, a headless content management system, is vulnerable to an origin validation error in versions prior to tinacms 3.14.0 and @tinacms/app 2.5.14 . The vulnerability exists because the /~/* admin preview route can convert an attacker-controlled hash-router splat into an off-origin iframe URL vi...

EUVD-2026-95990

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

CVE-2026-108261 TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

CVE-2026-108261

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

CVE-2026-108261 TinaCMS admin preview iframe loads an attacker-controlled origin from the URL fragment

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

EUVD-2026-95888

SmarterMail before build 9777 contains a stored mutation cross-site scripting vulnerability that allows remote attackers to inject executable script by placing payloads inside a element nested within MathML foreign content , which the custom HTML sanitizer treats as inert CDATA text but browsers...

CVE-2026-104083

SmarterMail versions before build 9777 are vulnerable to a stored mutation cross-site scripting (XSS) vulnerability. The root cause lies in a custom HTML sanitizer that incorrectly treats a element nested within MathML foreign content (specifically ) as inert CDATA text, while browsers reparse i...

BIT-GHOST-2026-103278 Ghost 5.8.0 before 6.34.0 Staff Account Takeover via Admin iframe

Ghost versions 5.8.0 before 6.34.0 contain an input validation vulnerability in the admin iframe that allows attackers to take over staff user accounts. Attackers with content publishing privileges can craft malicious pages that, when visited by active staff users, enable account takeover through...

CVE-2026-108261: Origin Validation Error

Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms/app 2.5.14, the // admin preview route in packages/tinacms/src/admin/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages/@tinacms/app/src/preview.tsx, while...

CVE-2026-104077

Obsidian Desktop before 1.14.0 contains a remote code execution vulnerability that allows attackers to craft malicious Markdown notes exploiting insufficient sanitization of the data-background-iframe attribute, which bypasses DOMPurify and is processed by the bundled Reveal.js 4.3.1 within the...

CVE-2026-104077

Obsidian Desktop versions before 1.14.0 are vulnerable to Remote Code Execution (RCE) via the Slides core plugin . The root cause is insufficient sanitization of the data-background-iframe attribute in Markdown notes, which allows attackers to bypass DOMPurify . This vulnerability is exploited wh...

CVE-2026-104077 Obsidian Desktop < 1.14.0 RCE via Slides Plugin Markdown

Obsidian Desktop before 1.14.0 contains a remote code execution vulnerability that allows attackers to craft malicious Markdown notes exploiting insufficient sanitization of the data-background-iframe attribute, which bypasses DOMPurify and is processed by the bundled Reveal.js 4.3.1 within the...

EUVD-2026-95100

Obsidian Desktop before 1.14.0 contains a remote code execution vulnerability that allows attackers to craft malicious Markdown notes exploiting insufficient sanitization of the data-background-iframe attribute, which bypasses DOMPurify and is processed by the bundled Reveal.js 4.3.1 within the...

CVE-2026-105829

League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...

CVE-2026-105829 League CommonMark 1.3.0 before 2.10.2 Stored XSS via DisallowedRawHtml Bypass

League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...

CVE-2026-105829 League CommonMark 1.3.0 before 2.10.2 Stored XSS via DisallowedRawHtml Bypass

League CommonMark from 1.3.0 before 2.10.2 contains a cross-site scripting vulnerability that allows users posting Markdown to bypass the DisallowedRawHtml extension by ending raw HTML with a bare disallowed tag name. Attackers can place a lone script or iframe line followed by a block supplying...

PT-2026-108042

Name of the Vulnerable Software and Affected Versions Obsidian Desktop versions prior to 1.14.0 Description Insufficient sanitization of the data-background-iframe attribute allows the bypass of DOMPurify. This issue is processed by the bundled Reveal.js 4.3.1 within the Slides core plugin,...