How severe is CVE-2006-6168?

CVE-2006-6168 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-6168 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6168?

CVE-2006-6168 primarily affects Tiki Tikiwiki Cms/groupware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6168?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-6168 published?

CVE-2006-6168 was published on 2006-11-29 and last updated on 2026-06-16.

CVE-2006-6168

CVE-2006-6168 is a high-severity vulnerability in Tiki Tikiwiki Cms/groupware with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Tiki Tikiwiki Cms/groupware
Published: 2006-11-29
Last modified: 2026-06-16

Description

tiki-register.php in TikiWiki before 1.9.7 allows remote attackers to trigger "notification-spam" via certain vectors such as a comma-separated list of addresses in the email field, related to lack of "a minimal check on email."

Frequently asked questions

What is CVE-2006-6168?: tiki-register.php in TikiWiki before 1.9.7 allows remote attackers to trigger "notification-spam" via certain vectors such as a comma-separated list of addresses in the email field, related to lack of "a minimal check on email."
How severe is CVE-2006-6168?: CVE-2006-6168 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-6168 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6168?: CVE-2006-6168 primarily affects Tiki Tikiwiki Cms/groupware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6168?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-6168 published?: CVE-2006-6168 was published on 2006-11-29 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:tiki:tikiwiki_cms\/groupware:*:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.0:rc1:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.0:rc2:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.0:rc3:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.1:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.2:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.3:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.4:*:*:*:*:*:*:*
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.5:*:*:*:*:*:*:*

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