JS: add HtmlSanitizer as a sanitizer DOMBasedXss
#12166
Merged
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CVE-2018-19048: TN
We don't model flow through unknown functions, so adding
HtmlSanitizeras a sanitizer should't be needed.However, if we spuriously find flow through the function (e.g. because the library ships with it's own copy of
DOMPurify, where we spuriously find flow through), then we need the sanitizer.The evaluation shows some lost results where we had spurious flow through a (good) sanitizer, and around neutral performance.