How severe is CVE-2015-5513?

CVE-2015-5513 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2015-5513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5513?

CVE-2015-5513 primarily affects Niif Shibboleth Authentication. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5513?

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

When was CVE-2015-5513 published?

CVE-2015-5513 was published on 2015-08-18 and last updated on 2026-06-17.

CVE-2015-5513

CVE-2015-5513 is a low-severity vulnerability in Niif Shibboleth Authentication with a CVSS 2.0 base score of 2.1. 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-79.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Niif Shibboleth Authentication
Published: 2015-08-18
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the Shibboleth authentication module 6.x-4.x before 6.x-4.2 and 7.x-4.x before 7.x-4.2 for Drupal allows remote authenticated users with the "Administer blocks" permission to inject arbitrary web script or HTML via unspecified vectors related to a login link.

Frequently asked questions

What is CVE-2015-5513?: Cross-site scripting (XSS) vulnerability in the Shibboleth authentication module 6.x-4.x before 6.x-4.2 and 7.x-4.x before 7.x-4.2 for Drupal allows remote authenticated users with the "Administer blocks" permission to inject arbitrary web script or HTML via unspecified vectors related to a login link.
How severe is CVE-2015-5513?: CVE-2015-5513 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2015-5513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5513?: CVE-2015-5513 primarily affects Niif Shibboleth Authentication. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5513 published?: CVE-2015-5513 was published on 2015-08-18 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:niif:shibboleth_authentication:6.x-4.0:*:*:*:*:drupal:*:*
cpe:2.3:a:niif:shibboleth_authentication:6.x-4.1:*:*:*:*:drupal:*:*
cpe:2.3:a:niif:shibboleth_authentication:6.x-4.2rc1:*:*:*:*:drupal:*:*
cpe:2.3:a:niif:shibboleth_authentication:7.x-4.0:*:*:*:*:drupal:*:*
cpe:2.3:a:niif:shibboleth_authentication:7.x-4.1:*:*:*:*:drupal:*:*
cpe:2.3:a:niif:shibboleth_authentication:7.x-4.2:rc1:*:*:*:drupal:*:*

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