CVE-2016-20066
Published: 15 June 2026
Summary
CVE-2016-20066 is a medium-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 5.1 (Medium).
Operationally, ranked at the 9.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2016-10879
Vulnerability details
WordPress CP Polls 1.0.8 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts through unsanitized file upload functionality. Attackers can upload files containing script payloads with event handlers like onerror attributes to execute arbitrary JavaScript in…
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the browsers of users viewing the affected content.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.