CVE-2026-116535 – The SEOPress – AI SEO Plugin & On-site SEO plugin for WordPress is vulnerable to Stored …

Vuln ID: CVE-2026-116535

Published:  2026-10-31  08:16:48.757

Description: The SEOPress – AI SEO Plugin & On-site SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘display_name’ parameter in all versions up to, and including, 10.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is exploitable by any Subscriber who sets their display_name to a string containing the literal %%archive_title%% token alongside HTML event-handler payloads, as WordPress stores display names without HTML filtering and the plugin substitutes the token after escaping has already occurred.

Base Score: 6.4 – MEDIUM

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Source: NVD.NIST.GOV

 

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