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TI-2023-20889 Aliases CVE-2023-39997GHSA-j6f4-g5vh-36v8

WordPress Popup by Supsystic plugin <= 1.10.19 - Broken Access Control Vulnerability

Priority MEDIUM 49CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

Missing Authorization vulnerability in supsystic.com Popup by Supsystic allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Popup by Supsystic: from n/a through 1.10.19.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00672 52nd 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
Yes
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
SupsysticPopup by Supsysticup to 1.10.19—No fix listedCNA
  • Popup by Supsystic VendorSupsystic Affected up to 1.10.19 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:supsystic:popup:*:*:*:*:*:wordpress:*:*before 1.10.20VulnerableSupsystic
  • cpe:2.3:a:supsystic:popup:*:*:*:*:*:wordpress:*:* Versions before 1.10.20 Vulnerable ·Supsystic

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39997
  2. 2026-10-03 Alias added: GHSA-j6f4-g5vh-36v8

References

Advisory 1

  • TI-2023-02984 Supsystic Popup < 1.10.19 - Prototype Pollution CVSS 3.1CRITICAL 9.8
  • TI-2023-28011 WordPress Popup by Supsystic plugin <= 1.10.19 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2017-14131 Supsystic Popup Plugin cross-site request forgery CVSS 3.1MEDIUM 4.3
  • TI-2021-06567 Popup by Supsystic < 1.10.5 - Reflected Cross-Site scripting (XSS) CVSS 3.1MEDIUM 6.1
  • TI-2024-35105 WordPress Popup by Supsystic plugin <= 1.10.29 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 9.1
  • TI-2016-08953 The popup-by-supsystic plugin before 1.7.9 for WordPress has CSRF. CVSS 3.0HIGH 8.8
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences