CVE-2024-2544
Popup Builder <= 4.3.0 - Missing Authorization in Multiple AJAX Actions
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
The Popup Builder plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to a missing capability check on all AJAX actions. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform multiple unauthorized actions, such as deleting subscribers, and importing subscribers to conduct stored cross-site scripting attacks.
| CWE | CWE-862 |
| Vendor | popupbuilder |
| Product | popup builder – create highly converting, mobile friendly marketing popups. |
| Published | Jun 15, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
popupbuilder / Popup Builder – Create highly converting, mobile friendly marketing popups.
0 ≤ 4.3.0
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/04802c63-4a5d-4948-9ef1-cf89c4cc757e?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3096000%40popup-builder%2Ftrunk&old=3085485%40popup-builder%2Ftrunk&sfp_email=&sfph_mail=
Credits
Alex Thomas