CVE-2016-20066

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 the browsers of users viewing the affected content.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2026-06-15

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/39513

References

• CVE Record
• NVD entry

Related

• CVE-2016-20065
• CVE-2016-20067
• CVE-2016-20064
• CVE-2016-20068
• CVE-2016-20063
• CVE-2016-20069