How severe is CVE-2007-1966?

CVE-2007-1966 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2007-1966 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1966?

CVE-2007-1966 affects Exv2 Content Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1966?

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

When was CVE-2007-1966 published?

CVE-2007-1966 was published on 2007-04-11 and last updated on 2026-06-16.

CVE-2007-1966

CVE-2007-1966 is a critical-severity vulnerability in Exv2 Content Management System with a CVSS 3.x base score of 9.1. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Exv2 Content Management System
Published: 2007-04-11
Last modified: 2026-06-16

Description

Session fixation vulnerability in eXV2 CMS 2.0.4.3 and earlier allows remote attackers to hijack web sessions by setting the PHPSESSID cookie.

Frequently asked questions

What is CVE-2007-1966?: Session fixation vulnerability in eXV2 CMS 2.0.4.3 and earlier allows remote attackers to hijack web sessions by setting the PHPSESSID cookie.
How severe is CVE-2007-1966?: CVE-2007-1966 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2007-1966 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1966?: CVE-2007-1966 affects Exv2 Content Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1966?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-1966 published?: CVE-2007-1966 was published on 2007-04-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:exv2:content_management_system:2.0.4.3:*:*:*:*:*:*:*

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