GHSA-w5ff-2mjc-4phc
Medium · 5.9AVideo has an OS Command Injection via Unescaped URL in LinkedIn Video Upload Shell Command
CVSS
5.9
EPSS
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Published
Mar 19, 2026
CISA due date
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The record
The `uploadVideoToLinkedIn()` method in the SocialMediaPublisher plugin constructs a shell command by directly interpolating an upload URL received from LinkedIn's API response, without sanitization via `escapeshellarg()`. If an attacker can influence the LinkedIn API response (via MITM, compromised OAuth token, or API compromise), they can inject arbitrary OS commands that execute as the web server user.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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