CVE•Published 2026-07-14•Modified 2026-07-14•1 article on news•6 live references•NVD data
CVE-2026-12583
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
The Newsletters WordPress plugin before 4.15 does not prevent deserialization of untrusted input that is stored through a public form, allowing unauthenticated attackers to inject a PHP object and, via a property-oriented gadget chain bundled with the Newsletters WordPress plugin before 4.15, write arbitrary files and execute code on the server.
Timeline
Published 2026-07-14
Modified 2026-07-14
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-2026-12583Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-12583Censys host search filtered to this CVE id.
grep.app
CVE-2026-12583Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-12583GitHub code search for direct mentions.
Google dork
"CVE-2026-12583" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.