CVE-2015-6659

CVE-2015-6659 is a high-severity vulnerability in Drupal 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-89.

Key facts

Description

SQL injection vulnerability in the SQL comment filtering system in the Database API in Drupal 7.x before 7.39 allows remote attackers to execute arbitrary SQL commands via an SQL comment.

Frequently asked questions

What is CVE-2015-6659?
SQL injection vulnerability in the SQL comment filtering system in the Database API in Drupal 7.x before 7.39 allows remote attackers to execute arbitrary SQL commands via an SQL comment.
How severe is CVE-2015-6659?
CVE-2015-6659 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-6659 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6659?
CVE-2015-6659 primarily affects Drupal. In total, 53 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6659?
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-2015-6659 published?
CVE-2015-6659 was published on 2015-08-24 and last updated on 2026-06-17.

References

Affected products (53)

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