CVE-2021-47927
WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_name
- State
- Published
- Severity
- 5.1 Medium
- Published
- May 10, 2026
- Updated
- May 24, 2026
- Reserved
- Feb 1, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 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 | VulnCheck |
| 3.1 | 6.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
WP Symposium ProWpsymposiumpro |
|
References
- ExploitDB-50514exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_namethird-party-advisory
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