CVE-2026-14840
YOP Poll < 7.0.6 - Unauthenticated Vote Restriction Bypass via IP Header Spoofing
- Published
- Aug 1, 2026
- Updated
- Aug 5, 2026
- Assigning CNA
- WPScan
- Evidence observed
- Aug 13, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NLow · next 30 days
- Percentile
- 13.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The YOP Poll WordPress plugin before 7.0.6 does not validate the connection's origin IP address and instead trusts client-controlled forwarding headers when enforcing its per-IP vote restriction, allowing unauthenticated attackers to bypass the vote limit and cast unlimited votes on a public poll.
Sources
1Proof-of-concept exploit for a WordPress plugin vote-limit bypass using spoofed X-Forwarded-For headers; ships a Docker lab to validate CVE-2026-14840 on authorized WordPress instances.
Responsible use
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