CVE-2012-20003
Custom Tables WordPress Plugin < 3.4.6 Reflected XSS via iframe.php
- State
- Published
- Severity
- 5.1 Medium
- Published
- Oct 20, 2026
- Updated
- Oct 23, 2026
- Reserved
- Oct 14, 2026
Description
Custom Tables plugin for WordPress before 3.4.6 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the unsanitized 'key' parameter in iframe.php. Attackers can craft GET requests to /wp-content/plugins/custom-tables/iframe.php with s=1 and a malicious key value to execute script in victims' browsers and steal cookies. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 |
|---|---|
Custom TablesWeb Updates KMU |
|
References
- EDB-37482exploit
- WPScan Advisorythird-party-advisory
- Acunetix Advisorythird-party-advisory
- Nuclei Templatetechnical-description
- WordPress Download Pageproduct
- VulnCheck Advisory: Custom Tables WordPress Plugin < 3.4.6 Reflected XSS via iframe.phpthird-party-advisory
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