CVE-2026-5075: All in One SEO <= 4.9.7 - Authenticated (Contributor+) Sensitive Information Exposure via 'internalOptions' Localized Script Data
The All in One SEO plugin for WordPress is vulnerable to Sensitive Information Exposure via 'internalOptions' localized script data in versions up to, and including, 4.9.7 due to sensitive internal option data being passed to wp_localize_script() in post editor contexts without effective masking for low-privilege users. This makes it possible for authenticated attackers, with contributor-level access and above, to view configured API/OAuth tokens and license-related values from page source.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-5075?
CVE-2026-5075 is categorized as a medium severity vulnerability due to the risk of sensitive information exposure.
How do I fix CVE-2026-5075?
To fix CVE-2026-5075, update the All in One SEO plugin to version 4.9.8 or later.
What does CVE-2026-5075 affect?
CVE-2026-5075 affects versions of the All in One SEO plugin for WordPress up to and including 4.9.7.
What type of vulnerability is CVE-2026-5075?
CVE-2026-5075 is a sensitive information exposure vulnerability via localized script data.
Who is impacted by CVE-2026-5075?
Users of the All in One SEO plugin with contributor or higher access levels may be impacted by CVE-2026-5075.