xo-jquery-mask-plugin (npm) · Malicious Code
Affects xo-jquery-mask-pluginSource GCVE Database
Malicious package : remove xo-jquery-mask-plugin and rotate any secrets on hosts that installed it.
Data as of 29 Oct 2026, 23:01 UTC
Malicious package
Published to npm · OSV MAL-2025-39904
What to do
Remove xo-jquery-mask-plugin from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| npmxo-jquery-mask-plugin | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The npm package xo-jquery-mask-plugin version 88.8.9 contains malicious code that installs a dependency from a custom domain. This dependency executes an information stealer during installation, targeting npm, git, and CI/CD tokens.