CVE•Published 2007-02-03•Modified 2026-04-23•1 article on news•5 live references•NVD data
CVE-2007-0681Extcalendar_project · Extcalendar
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
profile.php in ExtCalendar 2 and earlier allows remote attackers to change the passwords of arbitrary users without providing the original password, and possibly perform other unauthorized actions, via modified values to register.php.
Timeline
Published 2007-02-03
Modified 2026-04-23
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).
Shodan · vuln tag0 hosts
vuln:CVE-2007-0681Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Extcalendar Project Extcalendar"All exposed Extcalendar Project Extcalendar instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Extcalendar"HTTP body or banner mentions "Extcalendar" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2007-0681Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2007-0681Censys host search filtered to this CVE id.
grep.app
CVE-2007-0681Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2007-0681GitHub code search for direct mentions.
Google dork
"CVE-2007-0681" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2007-0681 on GitHub.