Is ezyang/htmlpurifier 4.9 vulnerable?
Composer · 3 releases from 4.9.1 to 4.9.3 · latest ezyang/htmlpurifier is 4.19.1 · checked 2 Nov 2026
No known advisories in the last release
No. No ezyang/htmlpurifier 4.9.x release has a known security advisory.
Which of your client projects are still on ezyang/htmlpurifier 4.9?
NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact ezyang/htmlpurifier version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.
Other ezyang/htmlpurifier versions
- ezyang/htmlpurifier 4.12
- ezyang/htmlpurifier 4.11
- ezyang/htmlpurifier 4.10
- ezyang/htmlpurifier 4.8
- ezyang/htmlpurifier 4.7
- ezyang/htmlpurifier 4.6
- ezyang/htmlpurifier 4.19
- ezyang/htmlpurifier 4.18
- ezyang/htmlpurifier 4.17
- ezyang/htmlpurifier 4.16
- ezyang/htmlpurifier 4.15
- ezyang/htmlpurifier 4.14
- All ezyang/htmlpurifier advisories
Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the Composer registry. Refreshed daily.