HOMEVULNERABILITIESCVE-2023-6696
HIGH

CVE-2023-6696

CWE-862Published: June 15, 2024· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-6696 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

sygnoos1 product(s)
popup builder
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://plugins.trac.wordpress.org/browser/popup-builder/tags/4.2.3/com/classes/Ajax.php
PATCHhttps://plugins.trac.wordpress.org/changeset/3096000/popup-builder/trunk/com/classes/Ajax.php
PATCHhttps://www.wordfence.com/threat-intel/vulnerabilities/id/9f86ec30-7a9d-4c36-8559-bde331c8b958?source=cve
PATCHhttps://plugins.trac.wordpress.org/browser/popup-builder/tags/4.2.3/com/classes/Ajax.php
PATCHhttps://plugins.trac.wordpress.org/changeset/3096000/popup-builder/trunk/com/classes/Ajax.php
PATCHhttps://www.wordfence.com/threat-intel/vulnerabilities/id/9f86ec30-7a9d-4c36-8559-bde331c8b958?source=cve

All References (6)

→
https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.2.3/com/classes/Ajax.phpPatch
→
https://plugins.trac.wordpress.org/changeset/3096000/popup-builder/trunk/com/classes/Ajax.phpPatch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/9f86ec30-7a9d-4c36-8559-bde331c8b958?source=cvePatch · Third Party Advisory
→
https://plugins.trac.wordpress.org/browser/popup-builder/tags/4.2.3/com/classes/Ajax.phpPatch
→
https://plugins.trac.wordpress.org/changeset/3096000/popup-builder/trunk/com/classes/Ajax.phpPatch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/9f86ec30-7a9d-4c36-8559-bde331c8b958?source=cvePatch · Third Party Advisory

Quick Facts

CVE IDCVE-2023-6696
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-862
CISA KEVNo
Affected1 vendor(s)
PublishedJun 15, 2024

Related CVEs (CWE-862)

CVE-2025-30416
10.0
CVE-2026-0092
10.0
CVE-2025-45854
10.0
CVE-2026-34976
10.0
CVE-2024-6071
10.0
CVE-2024-33566
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-6696 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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