CVE•Published 2026-05-23•Modified 2026-05-26•1 article on news•6 live references•NVD data
CVE-2018-25350
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
userSpice 4.3.24 contains a username enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by sending POST requests to the existingUsernameCheck.php endpoint. Attackers can submit usernames and analyze response text for the 'taken' string to identify existing accounts in the system.
Timeline
Published 2026-05-23
Modified 2026-05-26
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-2018-25350Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2018-25350Censys host search filtered to this CVE id.
grep.app
CVE-2018-25350Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2018-25350GitHub code search for direct mentions.
Google dork
"CVE-2018-25350" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2018-25350 on GitHub.