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CVE-2023-6000

Popup Builder < 4.2.3 - Unauthenticated Stored XSS

MEDIUM
6.1
CVSS Score
Published: January 1, 2024 at 02:18 PM UTC
Updated: June 17, 2026 at 06:49 AM UTC
2 products affected across 2 vendorsPopup BuilderPopup Builder

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Severity
MEDIUM6.1
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

The Popup Builder WordPress plugin before 4.2.3 does not prevent simple visitors from updating existing popups, and injecting raw JavaScript in them, which could lead to Stored XSS attacks.

Affected

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

Popup Builder· Sygnooswordpress-plugin
95%
v < 4.2.3
Affected range stops below 4.2.3, so it looks safe — our inference, not a vendor statement
Popup Builder· Ghozylabwordpress-plugin
60%
v < 4.2.3
Affected range stops below 4.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Technical DescriptionExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/blog/stored-xss-fixed-in-popup-builder-4-2-3/
ExploitVDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/cdb3a8bd-4ee0-4ce0-9029-0490273bcfc8

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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