CVE•Published 2026-08-07•Modified 2026-08-26•1 article on news•5 live references•NVD data
CVE-2026-16038
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
15
Exploit Prediction Scoring System · top 85% of all CVEs
Weaknesses (CWE)
Description
The MStore API WordPress plugin before 4.21.0 does not verify the payment with the payment gateway before marking an order as paid on several of its payment-completion endpoints, allowing an unauthenticated attacker to mark an arbitrary order fully paid without paying and obtain goods or services for free.
Timeline
Published 2026-08-07
Modified 2026-08-26
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-2026-16038Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-16038Censys host search filtered to this CVE id.
grep.app
CVE-2026-16038Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-16038GitHub code search for direct mentions.
Google dork
"CVE-2026-16038" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.