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Issue title
XML External Entity (XXE) — Node.js xml parsers
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Issue body (markdown)
## Code-quality scan: `gorhill/uBlock`
**Score: 71/100 (C)** · 91 findings · scanned 2026-06-05 08:57 UTC · 151,829 LOC
| Severity | Count |
|---|---|
| CRITICAL | 0 |
| HIGH | 25 |
| MEDIUM | 18 |
| LOW | 31 |
📊 [Full filterable report](https://repobility.com/scan/72aba204-e28a-4ded-9c5c-0c7d679e4a6f/) · 
### Top findings
1. **HIGH** `SEC103` — LDAP injection — non-constant search filter
`tools/make-firefox-meta.py:24` · A03:2021 Injection
2. **HIGH** `SEC040` — innerHTML XSS — template literal with server-supplied data
`src/js/reverselookup-worker.js:132` · CWE-79 · A03:2021 Injection (XSS)
3. **HIGH** `SEC027` — XML External Entity (XXE) — Node.js xml parsers
`src/js/resources/prevent-xhr.js:106` · A05:2021 Security Misconfiguration (XXE)
4. **HIGH** `SEC027` — XML External Entity (XXE) — Node.js xml parsers
`src/js/resources/create-html.js:72` · A05:2021 Security Misconfiguration (XXE)
5. **HIGH** `SEC027` — XML External Entity (XXE) — Node.js xml parsers
`src/js/cloud-ui.js:195` · A05:2021 Security Misconfiguration (XXE)
---
**Security note**: this issue is public. If any flagged finding is a real, exploitable vulnerability, please redirect to your `SECURITY.md` policy or open a [private security advisory](https://docs.github.com/en/code-security/security-advisories/guidance-on-reporting-and-writing-information-about-vulnerabilities/privately-reporting-a-security-vulnerability) instead. We're happy to close this and re-submit privately.
---
_Filed automatically. Close this issue if not useful — we won't refile. Full report: https://repobility.com/scan/72aba204-e28a-4ded-9c5c-0c7d679e4a6f/_
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