CSRF in Assafp Quiz, Poll & Survey Maker By Opinion Stage

CVE-2025-13143

The Poll, Survey & Quiz Maker Plugin by Opinion Stage plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 19.12.0. This is due to missing or insufficient nonce validation on the disconnect_account_action function. This makes it possible for unauthenticated attackers to disconnect the site from the Opinion Stage platform integration via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (3.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-13143: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13143?
CVE-2025-13143 is a medium-severity vulnerability in Assafp Quiz, Poll & Survey Maker By Opinion Stage, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-11-27.
How severe is CVE-2025-13143?
Medium severity. CVSS v3 base score is 4.3 out of 10.