CVE-2021-47927

WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_name

Published May 10, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress
Type Values Removed Values Added
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.
Title WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_name
First Time appeared Wpsymposiumpro
Wpsymposiumpro wp Symposium Pro
Weaknesses CWE-79
CPEs cpe:2.3:a:wpsymposiumpro:wp_symposium_pro:2021.10:*:*:*:*:*:*:*
Vendors & Products Wpsymposiumpro
Wpsymposiumpro wp Symposium Pro
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 24, 2026, 1:37 AM
Reserved
Feb 1, 2026, 11:24 AM
Status
Deferred
Published
May 10, 2026, 1:16 PM
Modified
Jul 25, 2026, 11:10 AM