CVE-2025-55076

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.

CVSS 3.1

6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-26)

CWE

CWE-269

Published

2025-12-03

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• plugin-alliance:installation_manager

References

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

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