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Vulnerability record · CVE-2007-0681 · published 3 February 2007

CVE-2007-0681: Extcalendar project extcalendar insufficiently protected credentials vulnerability

EExtcalendar Project · Extcalendar

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.

9.8 CVSS 3.1 Critical EPSS 5.2% · top 7.8% CWE-522 · Insufficiently protected credentials
9.8CVSS 3.1 base score, v2 7.5
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/38130 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/32035 Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/3239 ExploitThird Party AdvisoryVDB Entry
http://osvdb.org/38130 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/32035 Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/3239 ExploitThird Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-0681), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.