Medium 6.4Published May 10, 2026

CVE-2021-47927WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_name

Updated under an hour ago (Oct 28, 2026, 2:10 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Wpsymposiumpro WP Symposium Pro

Exploited in the last 30 days

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.

CVSS: 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: May 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Wpsymposiumpro WP Symposium Pro wpsymposiumpro:wp_symposium_pro (from the name)	2021.10	CNA record

References

References

https://www.exploit-db.com/exploits/50514	exploit
http://www.wpsymposiumpro.com/	product
https://wordpress.org/plugins/wp-symposium-pro/	product
https://www.vulncheck.com/advisories/wordpress-plugin-wp-symposium-pro-stored-xss-via-wps-admin-forum-add-name	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.