CVE-2021-4421

Advanced Popups <= 1.1.1 - Cross-Site Request Forgery Bypass

Published Jul 12, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
The Advanced Popups plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.1. This is due to missing or incorrect nonce validation on the metabox_popup_save() function. This makes it possible for unauthenticated attackers to save meta tags via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-34248 The Advanced Popups plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.1. This is due to missing or incorrect nonce validation on the metabox_popup_save() function. This makes it possible for unauthenticated attackers to save meta tags via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
History
Type Values Removed Values Added
Title Advanced Popups <= 1.1.1 - Cross-Site Request Forgery Bypass
Weaknesses CWE-352
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:27 PM
Reserved
Jul 11, 2023, 6:19 PM
Status
Modified
Published
Jul 12, 2023, 7:15 AM
Modified
Jun 17, 2026, 4:19 AM