CVE-2016-20066: dwbooster cp polls Cross-site Scripting
Vulnerability summary
CVE-2016-20066 is a high (CVSS 7.2) Cross-site Scripting vulnerability in dwbooster cp polls. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-06-2026PublishedVulnerability first disclosed.
- 15-06-2026Last modifiedVulnerability information updated.
Description
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 metrics
5 scores · 3 sources · 2 versions- NVDNIST5.1MediumCVSS: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
- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- wordfenceSource5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundWordPress Plugin CP Polls 1.0.8 - Multiple Vulnerabilities
Maturity: poc
Weaknesses
CWE · root cause- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
- CWE-352Cross-Site Request Forgery (CSRF)The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
Affected systems
Dwbooster1 product
- cp polls1.0.8
Wordpress1 product
- cp-polls≤ 1.0.8 (fixed in 1.0.9)
2 vendors · 2 products
References
3 links- www.vulncheck.com/advisories/wordpress-cp-polls-persistent-cross-site-scriptingThird Party Advisory