CVE-2026-0812 LinkedIn SC <= 1.1.9 - Authenticated (Administrator+) Stored Cross-Site Scripting via Settings Page
Administrators can inject arbitrary scripts into the LinkedIn SC plugin settings, leading to stored XSS execution for other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0812?
CVE-2026-0812 is a medium-severity cross-site scripting vulnerability in guillaumev LinkedIn SC, published on 14 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The LinkedIn SC plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'linkedin_sc_date_format', 'linkedin_sc_api_key', and 'linkedin_sc_secret_key' parameters in all versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the injected page.
Weakness: CWE-79
Which versions are affected by CVE-2026-0812?
How do I fix CVE-2026-0812?
No fix has been published for CVE-2026-0812 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-0812 being exploited?
There is no known exploitation of CVE-2026-0812 in the wild and no public exploit code.
Sources
Also known as GHSA-9qc7-8mhw-g6rf.