[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
happy-dom	^20.14.5 → ^21.0.4

---

Release Notes

capricorn86/happy-dom (happy-dom)

v21.0.4

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👷‍♂️ Patch fixes

• Fixed a code injection vulnerability in the ESM compiler - By @​capricorn86
• Fixed cross-origin isolation so opaque-origin data: iframes cannot access their parent or top window - By @​capricorn86

v21.0.3

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👷‍♂️ Patch fixes

• Fixes security vulnerability where authorization header was forwarded when redirecting - By @​capricorn86

v21.0.2

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👷‍♂️ Patch fixes

• Fixes SSRF security vulnerability by doing a target-origin bypass in the proxy server in @​happy-dom/server-renderer - By @​capricorn86

v21.0.1

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👷‍♂️ Patch fixes

• Adds aliases --css and --iframe for enabling CSS and iframe loading to @​happy-dom/server-renderer - By @​capricorn86

v21.0.0

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💣 Breaking Changes

• Disables CSS and IFrame loading by default to prevent server-side request forgery (SSRF) - By @​capricorn86
  • An attacker could embed <iframe> or <link rel="stylesheet"> elements in untrusted HTML to make Happy DOM send HTTP requests from the server to attacker-chosen URLs, including internal services. This could allow access to otherwise unreachable endpoints or trigger unintended actions, depending on the application and its network access.
  • The settings property disableCSSFileLoading has been deprecated
  • Added the new settings properties enableCSSFileLoading and enableIframePageLoading
  • If you don't believe that you are at risk, you can keep the same behavior as in <=v20.14.6 by sending in { enableCSSFileLoading: true, enableIframePageLoading: true } as broswer settings (e.g. new Window({ settings }));

v20.14.6

Compare Source

👷‍♂️ Patch fixes

• Fixes cookie scope forgery vulnerability - By @​capricorn86

---

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[vercel]

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Project	Deployment	Actions	Updated
scripts-playground	Ready	Preview	Oct 21, 2026 9:33pm UTC

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	happy-dom@​20.14.5 ⏵ 21.0.4			+1		-30

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commit: 44ccc2b

[github-actions]

📦 Package Size

✅ No notable size changes

📚 22 runtime dependencies (no change)

All tracked output (25)

Package output	Gzipped	Raw
@nuxt/scripts-cli · runtime dependencies	72 kB	355 kB	✅
@nuxt/scripts-cli · dependency magicast	72 kB	355 kB	✅
@nuxt/scripts-cli · export .	3.4 kB	12 kB	✅
@nuxt/scripts-cli · published payload	3.4 kB	12 kB	✅
@nuxt/scripts · runtime dependencies	543 kB	2.40 MB	✅
@nuxt/scripts · dependency @oxc-project/types	0 B	0 B	✅
@nuxt/scripts · dependency @vueuse/core	178 kB	720 kB	✅
@nuxt/scripts · dependency @vueuse/shared	39 kB	152 kB	✅
@nuxt/scripts · dependency lru-cache	141 kB	623 kB	✅
@nuxt/scripts · dependency semver	25 kB	72 kB	✅
@nuxt/scripts · dependency sirv	8.8 kB	21 kB	✅
@nuxt/scripts · dependency unstorage	70 kB	225 kB	✅
@nuxt/scripts · dependency valibot	82 kB	590 kB	✅
@nuxt/scripts · dist/runtime	104 kB	306 kB	✅
@nuxt/scripts · export .	26 kB	106 kB	✅
@nuxt/scripts · export ./registry	30 kB	94 kB	✅
@nuxt/scripts · export ./stats	13 kB	92 kB	✅
@nuxt/scripts · export ./types-source	49 kB	247 kB	✅
@nuxt/scripts · published payload	223 kB	846 kB	✅
@nuxt/scripts · app runtime	176 B	658 B	✅
@nuxt/scripts · components runtime	2.5 kB	6.4 kB	✅
@nuxt/scripts · composables runtime	7.8 kB	26 kB	✅
@nuxt/scripts · registry runtime	46 kB	136 kB	✅
@nuxt/scripts · server runtime	30 kB	89 kB	✅
@nuxt/scripts · utils runtime	2.9 kB	8.1 kB	✅

Runtime dependencies (22)

Package	Dependency	Requested	Resolved	Cost
@nuxt/scripts-cli	magicast	^0.5.5	0.5.5	📦 72 kB gzip
@nuxt/scripts-cli	pathe	^2.0.3	2.0.3	♻️ free via Nuxt 4.6.0
@nuxt/scripts	@nuxt/kit	^4.6.0	4.6.0	♻️ free via Nuxt 4.6.0
@nuxt/scripts	@oxc-project/types	^0.153.0	0.153.0	📦 0 B gzip
@nuxt/scripts	@vueuse/core	^15.0.0	15.0.0	📦 178 kB gzip
@nuxt/scripts	@vueuse/shared	^15.0.0	15.0.0	📦 39 kB gzip
@nuxt/scripts	consola	^3.4.2	3.4.2	♻️ free via Nuxt 4.6.0
@nuxt/scripts	defu	^6.1.7	6.1.7	♻️ free via Nuxt 4.6.0
@nuxt/scripts	lru-cache	^11.5.3	11.5.3	📦 141 kB gzip
@nuxt/scripts	magic-string	^1.4.3	1.4.3	♻️ free via Nuxt 4.6.0
@nuxt/scripts	ofetch	^1.5.1	1.5.1	♻️ free via Nuxt 4.6.0
@nuxt/scripts	ohash	^2.0.12	2.0.12	♻️ free via Nuxt 4.6.0
@nuxt/scripts	oxc-walker	^1.1.1	1.1.1	♻️ free via Nuxt 4.6.0
@nuxt/scripts	pathe	^2.0.3	2.0.3	♻️ free via Nuxt 4.6.0
@nuxt/scripts	semver	^7.8.5	7.8.5	📦 25 kB gzip
@nuxt/scripts	sirv	^3.0.2	3.0.2	📦 8.8 kB gzip
@nuxt/scripts	std-env	^4.3.0	4.3.0	♻️ free via Nuxt 4.6.0
@nuxt/scripts	ufo	^1.6.4	1.6.4	♻️ free via Nuxt 4.6.0
@nuxt/scripts	ultrahtml	^1.7.0	1.7.0	♻️ free via Nuxt 4.6.0
@nuxt/scripts	unplugin	^3.4.0	3.4.0	♻️ free via Nuxt 4.6.0
@nuxt/scripts	unstorage	^1.17.5	1.17.5	📦 70 kB gzip
@nuxt/scripts	valibot	^1.5.0	1.5.0	📦 82 kB gzip

_{Baseline: main_@_321e7574___2026-10-13 · gzip is the comparison metric · changes below 16 B gzip are ignored}