CVE-2024-2506
Popup Builder <= 4.2.7 - Authenticated(Contributor+) Stored Cross-Site Scripting via Custom JS
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JS functionality in all versions up to, and including, 4.2.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | popupbuilder |
| Product | popup builder – create highly converting, mobile friendly marketing popups. |
| Published | Jun 1, 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:N 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 ≤ 4.2.7
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/804a973e-4650-428c-910f-09e4fc3aa4bb?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3085485%40popup-builder&new=3085485%40popup-builder&sfp_email=&sfph_mail=#file51
Credits
Tim Coen