CVE-2023-4271 – Photospace Responsive <= 2.1.1 - Authenticated (Administrator+) Stored Cross-Site Scripting

https://notcve.org/view.php?id=CVE-2023-4271

12 Sep 2023 — The Photospace Responsive plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘psres_button_size’ parameter in versions up to, and including, 2.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_ht... • https://plugins.trac.wordpress.org/changeset/2831424/photospace-responsive/trunk/includes/class-photospace-responsive-gallery.php?contextall=1&old=2544748&old_path=%2Fphotospace-responsive%2Ftrunk%2Fincludes%2Fclass-photospace-responsive-gallery.php • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •