Threat intelligence

Buisson <= 1.1.11 - Unauthenticated PHP Object Injection

CVE-2026-27084 · buisson

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

Vulnerability: Buisson <= 1.1.11 - Unauthenticated PHP Object Injection
Affected software: buisson(Theme)
Affected versions: ≤ 1.1.11
Authentication: Unauthenticated
Vulnerability type: Other
CVE: CVE-2026-27084
Published: 10 March 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 9adfe6f3-5ecb-4d5d-b104-4d6d7367b0e3). Methodology and redistribution notes

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