CVE-2025-3880Network attack vector

Contributor account-setting writes via faulty capability checks

Published Jun 17, 2025 · Updated Apr 8, 2026

Incorrect authorization in Opinion Stage Quiz Maker 19.9.0 and earlier allows remote authenticated users to write account settings. Several connection-management functions in the Admin module use a misconfigured capability check that admits Contributors to privileged email-change and disconnect operations. Contributor-level WordPress access is required; attackers can change the linked email or sever the account connection, while existing content remains displayed and functional.

CVSS severity4.3
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Opinion Stage Quiz Maker 19.9.0 and earlier allows remote authenticated users to write account settings. Several connection-management functions in the Admin module use a misconfigured capability check that admits Contributors to privileged email-change and disconnect operations. Contributor-level WordPress access is required; attackers can change the linked email or sever the account connection, while existing content remains displayed and functional.

The record

CVE
CVE-2025-3880
Published
Jun 17, 2025
Updated
Apr 8, 2026
Vendor
Opinion Stage
Product
Quiz Maker, Poll Maker & Survey Maker by Opinion Stage
Classifications
CWE-863
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=19.9.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Opinion Stage · Quiz Maker, Poll Maker & Survey Maker by Opinion Stageversion=0 <=19.9.0

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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