How severe is CVE-2015-4387?

CVE-2015-4387 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2015-4387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4387?

CVE-2015-4387 primarily affects Password Policy Project Password Policy. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4387?

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

When was CVE-2015-4387 published?

CVE-2015-4387 was published on 2015-06-15 and last updated on 2026-06-17.

CVE-2015-4387

CVE-2015-4387 is a low-severity vulnerability in Password Policy Project Password Policy with a CVSS 2.0 base score of 2.6. 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-79.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Password Policy Project Password Policy
Published: 2015-06-15
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in unspecified administration pages in the Password Policy module 6.x-1.x before 6.x-1.11 and 7.x-1.x before 7.x-1.11 for Drupal, when a site has a policy that uses the username constraint, allows remote attackers to inject arbitrary web script or HTML via a crafted username that is imported from an external source.

Frequently asked questions

What is CVE-2015-4387?: Cross-site scripting (XSS) vulnerability in unspecified administration pages in the Password Policy module 6.x-1.x before 6.x-1.11 and 7.x-1.x before 7.x-1.11 for Drupal, when a site has a policy that uses the username constraint, allows remote attackers to inject arbitrary web script or HTML via a crafted username that is imported from an external source.
How severe is CVE-2015-4387?: CVE-2015-4387 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2015-4387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4387?: CVE-2015-4387 primarily affects Password Policy Project Password Policy. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4387 published?: CVE-2015-4387 was published on 2015-06-15 and last updated on 2026-06-17.

References

Affected products (22)

cpe:2.3:a:password_policy_project:password_policy:6.x-1.0:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.1:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.2:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.3:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.4:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.5:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.6:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.7:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.8:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.9:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:6.x-1.10:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.0:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.1:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.2:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.3:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.4:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.5:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.6:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.7:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.8:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.9:*:*:*:*:drupal:*:*
cpe:2.3:a:password_policy_project:password_policy:7.x-1.10:*:*:*:*:drupal:*:*

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