How severe is CVE-2009-4066?

CVE-2009-4066 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-4066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4066?

CVE-2009-4066 primarily affects Drupal. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4066?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4066 published?

CVE-2009-4066 was published on 2009-11-24 and last updated on 2026-06-16.

CVE-2009-4066

CVE-2009-4066 is a medium-severity vulnerability in Drupal with a CVSS 2.0 base score of 6.8. 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-352.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Drupal
Published: 2009-11-24
Last modified: 2026-06-16

Description

Multiple cross-site request forgery (CSRF) vulnerabilities in the "My Account" feature in PHPList Integration module 5 before 5.x-1.2 and 6 before 6.x-1.1 for Drupal allow remote attackers to hijack the authentication of arbitrary users via vectors related to (1) subscribing or (2) unsubscribing to mailing lists.

Frequently asked questions

What is CVE-2009-4066?: Multiple cross-site request forgery (CSRF) vulnerabilities in the "My Account" feature in PHPList Integration module 5 before 5.x-1.2 and 6 before 6.x-1.1 for Drupal allow remote attackers to hijack the authentication of arbitrary users via vectors related to (1) subscribing or (2) unsubscribing to mailing lists.
How severe is CVE-2009-4066?: CVE-2009-4066 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-4066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4066?: CVE-2009-4066 primarily affects Drupal. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4066 published?: CVE-2009-4066 was published on 2009-11-24 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
cpe:2.3:a:paul_beaney:phplist:5.x-1.0:*:*:*:*:*:*:*
cpe:2.3:a:paul_beaney:phplist:5.x-1.1:*:*:*:*:*:*:*
cpe:2.3:a:paul_beaney:phplist:5.x-1.x:dev:*:*:*:*:*:*
cpe:2.3:a:paul_beaney:phplist:6.x-1.0:*:*:*:*:*:*:*
cpe:2.3:a:paul_beaney:phplist:6.x-1.x:dev:*:*:*:*:*:*

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