Is CVE-2007-0681 being actively exploited?

CVE-2007-0681 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-0681?

CVE-2007-0681 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2007-0681

CRITICAL · CVSS 9.8EPSS 5.4%EU EUVD

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-522
EPSS score: 5.4% (93th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-0678)
Published: February 3, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-0678 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

extcalendar project / extcalendar

References

http://osvdb.org/38130(Broken Link)
https://exchange.xforce.ibmcloud.com/vulnerabilities/32035(Third Party Advisory, VDB Entry)
https://www.exploit-db.com/exploits/3239(Exploit, Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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