🛡️ CVE-2022-1600 — yop-poll

🟡 CVSS 5.3 — Medium ⚠️ Exploit Public CWE-639 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The YOP Poll WordPress plugin before 6.4.3 prioritizes getting a visitor's IP from certain HTTP headers over PHP's REMOTE_ADDR, which makes it possible to bypass IP-based limitations to vote in certain situations.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none.

Weakness class

CVE-2022-1600 is classified as CWE-639: Authorization Bypass Through User-Controlled Key. An object is selected by an identifier from the request without checking the caller owns it.

Affected software

CVE-2022-1600 is recorded against 1 package.

  • yop-poll (fixed in 6.4.3)

Timeline and source

Published on 1 August 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

wpscan.com
wpscan.com

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE CWE-639
Public Exploit ⚠️ Yes
Source NVD
Published 2022-08-01
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
yop-poll — 6.4.3

Similar Threats

Exploit Protection

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CVE-2022-1600 carries CVSS 5.3 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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