Threat intelligence

Flexible Subscriptions <= 1.8.1 - Authenticated (Customer+) PHP Object Injection

CVE-2026-73364 · flexible-subscriptions

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

Vulnerability: Flexible Subscriptions <= 1.8.1 - Authenticated (Customer+) PHP Object Injection
Affected software: flexible-subscriptions(Plugin)
Affected versions: ≤ 1.8.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Other
CVE: CVE-2026-73364
Published: 19 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 49a265c1-8760-48b3-8c91-2d822b2e97ce). Methodology and redistribution notes

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