Fix double escaping of the decision attributes in the profiler #21387
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A ternary operator is considered safe by the Twig auto-escaping only when
both branches are safe. But this ternary was safe only in the ELSE branch,
causing it to be unsafe. This triggered a double-escaping of the value
(escaping the output of the dump). The fix is to use a {% if %} and 2 separate
output statements, allowing them to be auto-escaped separately.
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Note that 3.1 is not affected, because |
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Okay, I have to admit, I would not have guessed this was even possible 😆 |
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Good catch, thanks @stof. |
nicolas-grekas
added a commit
that referenced
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Jan 24, 2017
…iler (stof) This PR was merged into the 3.2 branch. Discussion ---------- Fix double escaping of the decision attributes in the profiler | Q | A | ------------- | --- | Branch? | 3.2 | Bug fix? | yes | New feature? | no | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Fixed tickets | #21384 | License | MIT | Doc PR | n/a A ternary operator is considered safe by the Twig auto-escaping only when both branches are safe. But this ternary was safe only in the ELSE branch, causing it to be unsafe. This triggered a double-escaping of the value (escaping the output of the dump). The fix is to use a {% if %} and 2 separate output statements, allowing them to be auto-escaped separately. Commits ------- bc1f084 Fix double escaping of the decision attributes in the profiler
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@stof super nice catch! Thanks for the fix and the explanation. |
Merged
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A ternary operator is considered safe by the Twig auto-escaping only when both branches are safe. But this ternary was safe only in the ELSE branch, causing it to be unsafe. This triggered a double-escaping of the value (escaping the output of the dump). The fix is to use a {% if %} and 2 separate output statements, allowing them to be auto-escaped separately.