CVE-2026-85682 YOP Poll WordPress - Authentication Bypass

YOP Poll WordPress plugin <= 7.0.10 contains an origin validation error caused by transmitting wp_rest nonce with wildcard targetOrigin via postMessage(), letting unauthenticated attackers steal admin REST nonce and take over account, exploit requires admin to open attacker-controlled page.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
24 September 2026
Updated
15 October 2026
Weakness
CWE-346

Vendor fix

Update to a version later than 7.0.10 or latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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