Fix #78814: strip_tags allows / in tag name => whitelist bypass #4923
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When normalizing tags to check whether they are contained in the set of allowable tags, we must not strip slashes, unless they come immediately after the opening `<`, or immediately before the closing `>`.
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Applied as 600f1f8. Thanks. |
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When normalizing tags to check whether they are contained in the set
of allowable tags, we must not strip slashes, unless they come
immediately after the opening
<, or immediately before the closing>.