How severe is CVE-2007-6645?

CVE-2007-6645 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2007-6645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6645?

CVE-2007-6645 affects Joomla. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6645?

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-2007-6645 published?

CVE-2007-6645 was published on 2008-01-04 and last updated on 2026-06-16.

CVE-2007-6645

CVE-2007-6645 is a high-severity vulnerability in Joomla 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Joomla
Published: 2008-01-04
Last modified: 2026-06-16

Description

Unspecified vulnerability in Joomla! before 1.5 RC4 allows remote authenticated users to gain privileges via unspecified vectors, aka "registered user privilege escalation vulnerability."

Frequently asked questions

What is CVE-2007-6645?: Unspecified vulnerability in Joomla! before 1.5 RC4 allows remote authenticated users to gain privileges via unspecified vectors, aka "registered user privilege escalation vulnerability."
How severe is CVE-2007-6645?: CVE-2007-6645 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-6645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6645?: CVE-2007-6645 affects Joomla. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6645?: 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-2007-6645 published?: CVE-2007-6645 was published on 2008-01-04 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:joomla:joomla:1.5rc4:*:*:*:*:*:*:*

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