CVE-2023-6696

Popup Builder – Create highly converting, mobile friendly marketing popups <= 4.3.1 - Missing Authorization and Nonce Exposure

HIGH
8.1
CVSS Score
Published: June 15, 2024 at 02:02 AM UTC
Updated: June 17, 2026 at 06:51 AM UTC
2 products affected across 2 vendorsPopup BuilderPopup Builder

Using Popup Builder – Create highly converting, mobile friendly marketing popups. by popupbuilder?

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Severity
HIGH8.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to unauthorized access of functionality due to a missing capability check on several functions in all versions up to, and including, 4.3.1. While some functions contain a nonce check, the nonce can be obtained from the profile page of a logged-in user. This allows subscribers to perform several actions including deleting subscribers and perform blind Server-Side Request Forgery.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Popup Builder· Sygnooswordpress-plugin
95%
v < 4.3.2
Affected range stops below 4.3.2, so it looks safe — our inference, not a vendor statement
60%
v ≤ 4.3.1

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHWordfence
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-862

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