Unicode surrogates conversion to (simplified) replacement characters
Summary
A case for question-mark smuggle: using Unicode surrogates to bypass input validation with replacement character fallback.
- Published
- Collected
--- id: 10280 title: "Unicode surrogates conversion to (simplified) replacement characters" source_domain: lab.ctbb.show source_url: "https://lab.ctbb.show/research/unicode-surrogates-to-replacement-characters" published_at: "2025-11-10T00:00:00Z" tags: ["web-security", "unicode", "surrogate", "conversion"] phying_url: "https://phying.com/item/10280" lang: en --- # Unicode surrogates conversion to (simplified) replacement characters ## Summary A case for question-mark smuggle: using Unicode surrogates to bypass input validation with replacement character fallback. ## Intelligence Metadata - **Sources:** lab.ctbb.show - **Published:** 2025-11-10T00:00:00Z - **Original:** https://lab.ctbb.show/research/unicode-surrogates-to-replacement-characters - **Phying News:** https://phying.com/item/10280