CVE•Published 2026-05-10•Modified 2026-05-12•1 article on news•7 live references•NVD data
CVE-2021-47923
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
OpenCart 3.0.3.8 contains a session fixation vulnerability that allows attackers to hijack user sessions by injecting arbitrary values into the OCSESSID cookie. Attackers can set malicious OCSESSID cookie values that the server accepts and maintains, enabling session takeover and unauthorized access to user accounts.
Timeline
Published 2026-05-10
Modified 2026-05-12
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-2021-47923Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-47923Censys host search filtered to this CVE id.
grep.app
CVE-2021-47923Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-47923GitHub code search for direct mentions.
Google dork
"CVE-2021-47923" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.