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CVE Vulnerability Details :
CVE-2021-47927
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-10 May, 2026 | 12:43
Updated At-11 May, 2026 | 13:23
Rejected At-
▼CVE Numbering Authority (CNA)
WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_name

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
Vendor
Wpsymposiumpro
Product
WP Symposium Pro
Versions
Affected
  • 2021.10
Problem Types
TypeCWE IDDescription
CWECWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
4.05.1MEDIUM
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
3.16.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
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
Version: 3.1
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Murat DEMIRCI (@butterflyhunt3r)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
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
Hyperlink: https://www.exploit-db.com/exploits/50514
Resource:
exploit
Hyperlink: http://www.wpsymposiumpro.com/
Resource:
product
Hyperlink: https://wordpress.org/plugins/wp-symposium-pro/
Resource:
product
Hyperlink: https://www.vulncheck.com/advisories/wordpress-plugin-wp-symposium-pro-stored-xss-via-wps-admin-forum-add-name
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found