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TI-2024-02331 Aliases CVE-2024-2506GHSA-mqwr-gw7x-w8cq

Popup Builder <= 4.2.7 - Authenticated(Contributor+) Stored Cross-Site Scripting via Custom JS

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JS functionality in all versions up to, and including, 4.2.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00267 18th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
popupbuilderPopup Builder – Create highly converting, mobile friendly marketing popups.up to 4.2.7—No fix listedCNA
  • Popup Builder – Create highly converting, mobile friendly marketing popups. Vendorpopupbuilder Affected up to 4.2.7 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:sygnoos:popup_builder:*:*:*:*:*:*:*:*——popupbuilder
  • cpe:2.3:a:sygnoos:popup_builder:*:*:*:*:*:*:*:* Versions — — ·popupbuilder

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-2506
  2. 2026-10-03 Alias added: GHSA-mqwr-gw7x-w8cq

References

  • TI-2022-00402 Popup Builder < 4.1.1 - SQL Injection to Reflected Cross-Site Scripting CVSS 3.1CRITICAL 9.8
  • TI-2023-05777 popup-builder < 4.2.6 - Admin+ SSRF & File Read CVSS 3.1HIGH 7.5
  • TI-2024-08748 Popup Builder < 4.3.5 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2020-07226 The Popup Builder plugin 2.2.8 through 2.6.7.6 for WordPress is vulnerable to SQL… CVSS 3.1CRITICAL 9.8
  • TI-2019-10917 A SQL injection vulnerability exists in the Sygnoos Popup Builder plugin before 3.45 for… CVSS 3.1CRITICAL 9.8
  • TI-2021-07360 Popup Builder < 4.0.7 - LFI to RCE CVSS 3.1HIGH 8.8
See all 23 →

Sources