CVE-2021-47927

5.1 mediumEPSS 0.2%

Medium (5.1). EPSS 0.2% chance of exploitation in the next 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.

Severity

CVSS 4.0

5.1 medium

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

CVSS 3.1

6.4 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-05-10
Modified: 2026-07-25
Record from: the NVD, synced 2026-10-19

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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