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fix(admin): sanitize the richeditor read-only display with DOMPurify (T-10-16)

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- displayHtml uses a dedicated DOMPurify 3.4.16 instance: EDITOR_TAGS, href
  only on <a> through isAllowedLink, DROPPED elements go with their content
- string in, string out: parsed into DOMPurify's inert document, nothing
  adopted into the live document before binding
- fails closed (empty string) unless isSupported and a fixed canary hold
- Vitest browser mode in Playwright Chromium (npm run test:browser) covers
  the clobbering vectors, off-origin form, iframe, meta refresh, links and
  the inert parse; happy-dom keeps engine-independent assertions
This commit is contained in:
Jakub Zych
2026-10-12 20:35:57 +02:00
parent fba15c9378
commit c1d767f0f8
9 changed files with 522 additions and 45 deletions
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277
admin/package-lock.json generated
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@@ -13,6 +13,7 @@
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"openapi-fetch": "0.17.0",
"reka-ui": "2.9.10",
"vue": "3.5.35",
@@ -21,9 +22,11 @@
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@@ -145,6 +148,16 @@
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@@ -791,6 +804,13 @@
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@@ -1540,6 +1560,40 @@
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@@ -1909,6 +1963,13 @@
"url": "https://github.com/sponsors/ueberdosis"
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@@ -1950,6 +2011,13 @@
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@@ -1990,6 +2058,42 @@
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"dev": true,
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"dependencies": {
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"peerDependencies": {
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@@ -2467,6 +2571,16 @@
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"dev": true,
"license": "Apache-2.0",
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@@ -2717,6 +2831,16 @@
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"license": "MIT"
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@@ -2727,6 +2851,22 @@
"node": ">=8"
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"node_modules/dom-accessibility-api": {
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"integrity": "sha512-X7BJ2yElsnOJ30pZF4uIIDfBEVgF4XEBxL9Bxhy6dnrm5hkzqmsWHGTiHqRiITNhMyFLyAiWndIJP7Z1NTteDg==",
"dev": true,
"license": "MIT"
},
"node_modules/dompurify": {
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"resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.16.tgz",
"integrity": "sha512-sqo+pNp3qRhCIpbgRi1y8Tgk27Bo2Ry7w0dC1NBeNTdZChWjz9Xb/KOoZbRP/R6pQZ80Qw8YhXw13hWWBbMRnQ==",
"license": "(MPL-2.0 OR Apache-2.0)",
"optionalDependencies": {
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@@ -3442,6 +3582,16 @@
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"license": "MIT",
"bin": {
"lz-string": "bin/bin.js"
}
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@@ -3521,6 +3671,16 @@
"pathe": "^2.0.1"
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@@ -3726,6 +3886,53 @@
"pathe": "^2.0.3"
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@@ -3764,6 +3971,44 @@
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@@ -3926,6 +4171,13 @@
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@@ -4088,6 +4340,21 @@
"url": "https://github.com/sponsors/isaacs"
}
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@@ -4329,6 +4596,16 @@
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