The photoblocks-grid-gallery plugin before 1.1.33 for WordPress has wp-admin/admin.php?page=photoblocks-edit&id= XSS.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

• Gallery Photoblocks < 1.1.43 - Cross-Site Scripting http/cves/2019/CVE-2019-15829.yaml

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.