CVE-2026-50290

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

EUVD-2026-64123

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

CVE-2026-50290 @asymmetric-effort/specifyjs: CSS expression sanitization is bypassable in renderToString

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

CVE-2026-50290 @asymmetric-effort/specifyjs: CSS expression sanitization is bypassable in renderToString

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

CVE-2026-50290 @asymmetric-effort/specifyjs: CSS expression sanitization is bypassable in renderToString

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

CVE-2026-50290: Improper Neutralization of Input During Web Page Generation

SpecifyJS is a declarative TypeScript user interface framework. Prior to version 0.2.136, CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. These CSS injection...

Cross-site Scripting (XSS)

Overview @asymmetric-effort/specifyjs is an A declarative TypeScript UI framework built for performance and simplicity Affected versions of this package are vulnerable to Cross-site Scripting XSS in the renderToString process. An attacker can inject malicious CSS expressions by bypassing the...

GHSA-93Q6-WWJH-JC6H @asymmetric-effort/specifyjs: CSS expression sanitization is bypassable in renderToString

Finding Location: core/src/server/render-to-string.ts:307-311 CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. Mitigating Factor: These CSS injection vectors onl...

@asymmetric-effort/specifyjs: CSS expression sanitization is bypassable in renderToString

Finding Location: core/src/server/render-to-string.ts:307-311 CSS value sanitization stripped expression and urljavascript: using simple regex, but could be bypassed with CSS unicode escapes \65xpression, null bytes, or CSS comments exp//ression. Mitigating Factor: These CSS injection vectors onl...

PT-2026-55466

Name of the Vulnerable Software and Affected Versions SpecifyJS versions prior to 0.2.136 Description CSS value sanitization in the core/src/server/render-to-string.ts file used simple regular expressions to strip expression and urljavascript:, which could be bypassed using null bytes, CSS...

Improper Isolation or Compartmentalization

Overview org.webjars.npm:vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization through the transformer fast-path in the source instrumentation logic. An attacker can...

Improper Isolation or Compartmentalization

Overview vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization through the transformer fast-path in the source instrumentation logic. An attacker can expose the internal...

Cross-site scripting (XSS) via script break-out in toScript() output

What's Changed Escape HTML tags in toScript output to prevent script break-out by @freekmurze in https://github.com/spatie/schema-org/pull/242 Values containing passed as schema properties could break out of the generated block and execute injected HTML when the value was attacker-controlled...

CVE-2026-28348

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...

PYSEC-2026-2201

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...

CVE-2026-28348

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...

CVE-2026-28348 lxml_html_clean: CSS @import Filter Bypass via Unicode Escapes

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...

CVE-2026-28348 lxml_html_clean: CSS @import Filter Bypass via Unicode Escapes

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...

CVE-2026-28348

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...

CVE-2026-28348 lxml_html_clean: CSS @import Filter Bypass via Unicode Escapes

lxmlhtmlclean is a project for HTML cleaning functionalities copied from lxml.html.clean. Prior to version 0.4.4, the hassneakyjavascript method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression filters,...