CVE-2021-47927 - CVE House
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Status published Medium CVE-2021-47927

WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_name

Vulnerability Description

WordPress Plugin WP Symposium Pro 2021.10 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by exploiting insufficient sanitization of the forum name parameter. Attackers can submit POST requests to the admin setup page with JavaScript payloads in the wps_admin_forum_add_name parameter, which are stored and executed when the forum is accessed.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Murat DEMIRCI (@butterflyhunt3r)

Affected Vendor

Wpsymposiumpro

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Affected Software

WP Symposium Pro
Vulnerable Versions:
2021.10

Timeline

Official Publish: May 10th, 2026
Last Modified: May 24th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)