Description
powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| romkatv | powerlevel10k | ≤ 1.20.0 | — |
References
- GitHub Issue #2961 issue-tracking
- https://github.com/romkatv/powerlevel10k product
- bug fix: slap (V) on the content of `package` (#2961) patch
- prompt_package in internal/p10k.zsh technical-description
- VulnCheck Advisory: powerlevel10k Control Character Injection via package.json Version third-party-advisory