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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.

PUBLISHED Reserved 2026-01-09 | Published 2026-01-14 | Updated 2026-01-14 | Assigner Wordfence




MEDIUM: 4.4CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2026-01-13:Disclosed

Credits

Bhumividh Treloges finder

References

www.wordfence.com/...-aeaf-4451-a151-8f884bc22f0b?source=cve

plugins.trac.wordpress.org/...-sc/tags/1.1.9/linkedin-sc.php

plugins.trac.wordpress.org/...kedin-sc/trunk/linkedin-sc.php

cve.org (CVE-2026-0812)

nvd.nist.gov (CVE-2026-0812)

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