CVE-2025-13079: medium-severity vulnerability in popupbuilder Popup Builder – Create highly…
Popup Builder - Create highly converting, mobile friendly marketing popups. <= 4.4.2 - Improper Authorization to Unauthenticated Subscriber Removal via Predictable Tokens
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.4%
The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.4.2. This is due to the plugin generating predictable unsubscribe tokens using deterministic data. This makes it possible for unauthenticated attackers to unsubscribe arbitrary subscribers from mailing lists via brute-forcing the unsubscribe token, granted they know the victim's email address
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
popupbuilder · Popup Builder – Create highly converting, mobile friendly marketing popups.Related CVEs — popupbuilder Popup Builder – Create highly…
In the same product, most dangerous first.
CVE-2024-2541MEDIUMPopup Builder <= 4.3.6 - Sensitive Information Exposure via Imported Subscribers CSV FileEPSS 0.6%CVE-2023-6696HIGHPopup Builder – Create highly converting, mobile friendly marketing popups <= 4.3.1 - Missing Authorization and Nonce ExposureEPSS 0.5%CVE-2026-89270CRITICALPopup Builder <= 4.4.5 - Missing Authorization to Unauthenticated Arbitrary Popup Post Trashing via 'post_type' and 'sg_popup_preview_id' ParametersEPSS 0.4%CVE-2025-9856MEDIUMPopup Builder – Create highly converting, mobile friendly marketing popups. <= 4.4.1 - Authenticated (Contributor+) Stored Cross-Site ScriptingEPSS 0.3%CVE-2024-2544HIGHPopup Builder <= 4.3.0 - Missing Authorization in Multiple AJAX ActionsEPSS 0.3%CVE-2024-2506MEDIUMPopup Builder <= 4.2.7 - Authenticated(Contributor+) Stored Cross-Site Scripting via Custom JSEPSS 0.3%
References
https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/classes/Actions.php#L842https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.4.2/com/helpers/AdminHelper.php#L896https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3444540%40popup-builder&new=3444540%40popup-builder&sfp_email=&sfph_mail=https://www.wordfence.com/threat-intel/vulnerabilities/id/62b29721-0580-4e1d-824d-9b8355890248?source=cve