Threat intelligence

Smart Popup by Supsystic <= 1.13.0 - Unauthenticated PHP Object Injection

CVE-2026-73380 · popup-by-supsystic

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Popup By Supsystic at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Smart Popup by Supsystic <= 1.13.0 - Unauthenticated PHP Object Injection
Affected software: popup-by-supsystic(Plugin)
Affected versions: ≤ 1.13.0
Authentication: Unauthenticated
Vulnerability type: Other
CVE: CVE-2026-73380
Published: 18 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory e43df95c-761a-460c-a3ac-da60383b067d). Methodology and redistribution notes

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