CVE-2026-45617 LiquidJS: ReDoS via Quadratic Backtracking in `strip_html` Filter Regex

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. In versions 10.25.7 and below, the built-in striphtml filter uses a regex containing four flawed lazy-quantified alternatives, leading to ReDoS via quadratic backtracking. When the input contains many script...

CVE-2026-44645 LiquidJS has a renderLimit DoS guard bypass via empty `{% for %}` body

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. In versions 10.25.7 and below, the renderLimit option can be fully bypassed by a % for % or % tablerow % tag whose body is empty. The renderLimit option is documented in docs/source/tutorials/dos.md as the...

CVE-2026-44644

CVE-2026-44644 affects liquidjs versions 10.25.7 and earlier. The strip_html filter uses a regex where the catch‑all branch () does not match line terminators, allowing a newline inside a tag (e.g., ) to bypass sanitization. If applications render attacker-controlled input via {{ x | strip_html }...

CVE-2026-44644 LiquidJS's strip_html filter bypass via newline characters in HTML tags enables XSS

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. Versions 10.25.7 and below are vulnerable to XSS through a flaw in the striphtml filter logic. The striphtml filter is intended to remove HTML tags from a string before rendering, and is widely used as an XS...

CVE-2026-44644 LiquidJS's strip_html filter bypass via newline characters in HTML tags enables XSS

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. Versions 10.25.7 and below are vulnerable to XSS through a flaw in the striphtml filter logic. The striphtml filter is intended to remove HTML tags from a string before rendering, and is widely used as an XS...

CVE-2026-39412

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.25.4, the sortnatural filter bypasses the ownPropertyOnly security option, allowing template authors to extract values of prototype-inherited properties through a sorting side-channel attack...

CVE-2026-35525

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.25.3, for % include %, % render %, and % layout %, LiquidJS checks whether the candidate path is inside the configured partials or layouts roots before reading it. That check is path-based, not...

GHSA-GF2Q-C269-PQGC LiquidJS is Vulnerable to Remote Code Execution

Summary It is possible to execute arbitrary code with crafted templates Details 1|valueOf - this when evaluating the filter liquid %assign r=1|valueOf% r|inspect json...

Arbitrary Code Injection

Overview liquidjs is an A simple, expressive, safe and Shopify compatible template engine in pure JavaScript. Affected versions of this package are vulnerable to Arbitrary Code Injection via the filters and tags registries in Liquid. An attacker can trigger arbitrary inherited Object.prototype...

LiquidJS is Vulnerable to Remote Code Execution

Summary It is possible to execute arbitrary code with crafted templates Details 1|valueOf - this when evaluating the filter liquid %assign r=1|valueOf% r|inspect json...

@11ty/eleventy (=3.0.0-alpha.16), @agiflowai/aicode-toolkit (>=0.6.0 <=1.1.0) +95 more potentially affected by CVE-2026-45618 via liquidjs (>=10.10.0 <=10.25.7)

liquidjs NPM version =10.10.0, =0.6.0, =0.1.0, =0.0.0, =0.5.5, =0.8.0, =1.0.1, =1.6.3, =3.11.0, =3.11.0, =3.11.0, =1.0.0, =1.0.0-beta.5 - @clairview/api =23.1.0 and more Source cves: CVE-2026-45618 Source advisory: OSV:GHSA-GF2Q-C269-PQGC...

@11ty/eleventy (=3.0.0-alpha.16), @agiflowai/aicode-toolkit (>=0.6.0 <=1.1.0) +95 more potentially affected by CVE-2026-45617 via liquidjs (>=10.10.0 <=10.25.7)

liquidjs NPM version =10.10.0, =0.6.0, =0.1.0, =0.0.0, =0.5.5, =0.8.0, =1.0.1, =1.6.3, =3.11.0, =3.11.0, =3.11.0, =1.0.0, =1.0.0-beta.5 - @clairview/api =23.1.0 and more Source cves: CVE-2026-45617 Source advisory: OSV:GHSA-R7G9-XPMJ-5FCQ...

GHSA-R7G9-XPMJ-5FCQ LiquidJS Vulnerable to ReDoS via Quadratic Backtracking in `strip_html` Filter Regex

Summary The built-in striphtml filter in liquidjs uses a regex containing four lazy-quantified alternatives. When the input contains many |||/g, '' The regex contains four lazy patterns: 1. 2. 3. 4. For an input like 'script'.repeatN, the engine encounters N starting positions. At each one it mus...

GHSA-HH27-HF48-9F5Q LiquidJS has a memory and render limit bypass via unbounded width padding in `date` filter (strftime)

Summary The date filter's strftime implementation parses width specifiers like %9999999d and forwards the captured width unchecked into pad/padStart in src/util/underscore.ts. The pad loop performs unbounded string concatenation without consulting the Context's memoryLimit or renderLimit, so a...

@11ty/eleventy (=3.0.0-alpha.16), @agiflowai/aicode-toolkit (>=0.6.0 <=1.1.0) +95 more potentially affected by CVE-2026-45357 via liquidjs (>=10.10.0 <=10.25.7)

liquidjs NPM version =10.10.0, =0.6.0, =0.1.0, =0.0.0, =0.5.5, =0.8.0, =1.0.1, =1.6.3, =3.11.0, =3.11.0, =3.11.0, =1.0.0, =1.0.0-beta.5 - @clairview/api =23.1.0 and more Source cves: CVE-2026-45357 Source advisory: OSV:GHSA-HH27-HF48-9F5Q...

Insecure Default Initialization of Resource

Overview liquidjs is an A simple, expressive, safe and Shopify compatible template engine in pure JavaScript. Affected versions of this package are vulnerable to Insecure Default Initialization of Resource in the Context.spawn function. An attacker can access prototype-chain properties of objects...

@11ty/eleventy (=3.0.0-alpha.16), @agiflowai/aicode-toolkit (>=0.6.0 <=1.1.0) +95 more potentially affected by CVE-2026-44646 via liquidjs (>=10.10.0 <=10.25.7)

liquidjs NPM version =10.10.0, =0.6.0, =0.1.0, =0.0.0, =0.5.5, =0.8.0, =1.0.1, =1.6.3, =3.11.0, =3.11.0, =3.11.0, =1.0.0, =1.0.0-beta.5 - @clairview/api =23.1.0 and more Source cves: CVE-2026-44646 Source advisory: OSV:GHSA-9X9P-QF8F-MVJG...

GHSA-9X9P-QF8F-MVJG LiquidJS's `{% render %}` tag silently bypasses per-render `ownPropertyOnly:true` via `Context.spawn()`

Summary Context.spawn in liquidjs creates a child Context for the % render % tag but does not propagate the parent context's resolved ownPropertyOnly value. The new context re-derives ownPropertyOnly from opts.ownPropertyOnly the instance-level option, silently discarding any...

Denial of Service (DoS)

Overview liquidjs is an A simple, expressive, safe and Shopify compatible template engine in pure JavaScript. Affected versions of this package are vulnerable to Denial of Service DoS through the renderTemplates function when the for or tablerow tag is used with an empty body. An attacker can...

@11ty/eleventy (=3.0.0-alpha.16), @agiflowai/aicode-toolkit (>=0.6.0 <=1.1.0) +95 more potentially affected by CVE-2026-44645 via liquidjs (>=10.10.0 <=10.25.7)

liquidjs NPM version =10.10.0, =0.6.0, =0.1.0, =0.0.0, =0.5.5, =0.8.0, =1.0.1, =1.6.3, =3.11.0, =3.11.0, =3.11.0, =1.0.0, =1.0.0-beta.5 - @clairview/api =23.1.0 and more Source cves: CVE-2026-44645 Source advisory: OSV:GHSA-8XX9-69P8-7JP3...