What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-10 · updated 2026-07-25
• Weakness: CWE-79

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.

Affected products

• Wpsymposiumpro WP Symposium Pro: 2021.10

References

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

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