CVE•Published 2026-09-09•Modified 2026-09-09•1 article on news•4 live references•NVD data
CVE-2026-87930
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
MaxSite CMS through 109.6 passes the ci_session cookie to unserialize() without class restrictions, allowing unauthenticated attackers to inject PHP objects. Attackers can forge valid session cookies using the hardcoded encryption key to trigger magic methods and corrupt application state or achieve code execution if gadget classes exist.
Timeline
Published 2026-09-09
Modified 2026-09-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-87930Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-87930Censys host search filtered to this CVE id.
grep.app
CVE-2026-87930Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-87930GitHub code search for direct mentions.
Google dork
"CVE-2026-87930" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.