send vulnerable to template injection that can lead to XSS
Published 10 Sept 2024 · Updated 10 Sept 2026
Affected package
- Affected
- <0.19.0
- Fixed in
- 0.19.0
npm install send@0.19.0Details
Impact
passing untrusted user input - even after sanitizing it - to SendStream.redirect() may execute untrusted code
Patches
this issue is patched in send 0.19.0
Workarounds
users are encouraged to upgrade to the patched version of express, but otherwise can workaround this issue by making sure any untrusted inputs are safe, ideally by validating them against an explicit allowlist
Details
successful exploitation of this vector requires the following:
1. The attacker MUST control the input to response.redirect() 1. express MUST NOT redirect before the template appears 1. the browser MUST NOT complete redirection before: 1. the user MUST click on the link in the template
Is GHSA-m6fv-jmcg-4jfg in any of your client repos?
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References
Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.