Medium severity · published May 2, 2024
CVE-2024-3897
Popup Box – Best WordPress Popup Plugin <= 4.3.6 - Missing Authorization to Information Exposure
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
The Popup Box – Best WordPress Popup Plugin plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the ays_pb_create_author AJAX action in all versions up to, and including, 4.3.6. This makes it possible for unauthenticated attackers to enumerate all emails registered on the website.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PB
Popup Box · Ays-pro
through 4.3.6 · source: CISA
Affected product
PB
Popup Box – Create Countdown, Coupon, Video, Contact Form Popups
ays-pro
More from Popup Box – Create Countdown, Coupon, Video, Contact Form Popups
5.3
CVE-2024-10861
Popup Box – Create Countdown, Coupon, Video, Contact Form Popups <= 4.9.7 - Missing Authorization to Unauthenticated Limited Options Update
4.8
CVE-2026-100159
Popup Box 6.4.1 - 6.4.2 - Unauthenticated Arbitrary Shortcode Execution via Client-IP / X-Forwarded-For HTTP Headers
4.3
CVE-2026-1165
Popup Box <= 6.1.1 - Cross-Site Request Forgery to Popup Status Change