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.
Commits
991e78f fix: sanitise and escape the pretty option (#3314)
06baa52 Fix TypeScript and add eachOf token definition (#3262)
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Bumps pug-code-gen from 3.0.1 to 3.0.2. This update includes a security fix.
Vulnerabilities fixed
Sourced from The GitHub Security Advisory Database.
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Commits
991e78f
fix: sanitise and escape thepretty
option (#3314)06baa52
Fix TypeScript and add eachOf token definition (#3262)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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