If a remote attacker was able to control the pretty option of the pug compiler, e.g. if you spread a user provided object such as the query parameters of a request into the pug template inputs, it was possible for them to achieve remote code execution on the node.js backend.
Patches
Upgrade to pug@3.0.1 or pug-code-gen@3.0.2 or pug-code-gen@2.0.3, which correctly sanitise the parameter.
Workarounds
If there is no way for un-trusted input to be passed to pug as the pretty option, e.g. if you compile templates in advance before applying user input to them, you do not need to upgrade.
If a malicious attacker could control the pretty option, it was possible for them to achieve remote code execution on the server rendering the template. All pug users should upgrade as soon as possible, see #3312 for more details.
pug-runtime@3.0.1
Bug Fixes
Properly handle non-string values when rethrowing errors (#3269)
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Bumps pug from 2.0.3 to 3.0.1. This update includes a security fix.
Vulnerabilities fixed
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... (truncated)
Commits
991e78f
fix: sanitise and escape thepretty
option (#3314)06baa52
Fix TypeScript and add eachOf token definition (#3262)13e46e9
chore: update with (#3259)c077df4
docs: fix rolling versions linkccba7da
ci: publish canary release (#3257)24a7b8e
chore: remove get-repo dependency (#3256)8288ec5
ci: fix some problems with the workflows and add dry-run (#3254)eca9342
chore: update is-expression and jest (#3253)9e96bb7
feat: allow filters to read non-text include files (#3213)bb0731f
chore: use minimal settings to format test files (#3245)Maintainer changes
This version was pushed to npm by pug-bot, a new releaser for pug since your current version.
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