CVE•Published 2026-05-15•Modified 2026-05-18•1 article on news•6 live references•NVD data
CVE-2021-47966
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
PHP Timeclock 1.04 contains time-based and boolean-based blind SQL injection vulnerabilities in the login_userid parameter of login.php that allows unauthenticated attackers to extract database contents. Attackers can submit crafted POST requests with SQL payloads using SLEEP functions or RLIKE conditional statements to dump sensitive database information including employee names and credentials.
Timeline
Published 2026-05-15
Modified 2026-05-18
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-2021-47966Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-47966Censys host search filtered to this CVE id.
grep.app
CVE-2021-47966Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-47966GitHub code search for direct mentions.
Google dork
"CVE-2021-47966" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (4)
CVE-2021-479664 repos
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
Threekiii/CVEunknown
一个 CVE 漏洞预警知识库，无 exp/poc，部分包含修复方案。A knowledge base of CVE security vulnerability, no PoCs/exploits.
Nsbx/awesome-starsunknown
My Awesome List generated by : https://github.com/abhijithvijayan/stargazed
bugsyhewitt/hellhoundPython
Necromancer suite: hellhound (offensive security tool)