Practical Security Guides For Your Team
Clear, non-alarmist guidance for real web vulnerabilities so your team can prioritize fixes confidently.
Outdated HTML Sanitizer Allows Script Injection in Specific Contexts
mediumYour website uses a popular library called DOMPurify to clean up user-submitted content before displaying it — think of it like a filter that removes dangerous code. A flaw in certain versions of this library means the filter has a few gaps: attackers who know about these gaps can sneak malicious scripts through, but only when the cleaned content is placed inside specific, less-common page sections. A patch is available and the fix is straightforward.
Outdated HTML Sanitizer Library Allows Malicious Scripts to Slip Through
highYour website uses a popular library called DOMPurify to clean up user-submitted content before displaying it — think of it like a spam filter for dangerous code. A flaw in certain versions of this library means that filter can be tricked, allowing a specially crafted piece of text to sneak harmful scripts past it. This only matters if your site places user-submitted content inside specific HTML form areas (like text boxes), but if it does, the risk is real.