CVE-2026-14840 YOP Poll < 7.0.6 - Unauthenticated Vote Restriction Bypass via IP Header Spoofing
Unauthenticated attackers can bypass vote restrictions in YOP Poll by spoofing IP headers, allowing unlimited votes on public polls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14840?
CVE-2026-14840 is a medium-severity vulnerability in Unknown YOP Poll, published on 1 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-290
Which versions are affected by CVE-2026-14840?
How do I fix CVE-2026-14840?
No fix has been published for CVE-2026-14840 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-14840 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14840 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-jqjg-6w6p-5mh7.