Cross-site scripting (XSS) vulnerability in the MailChimp Signup submodule in the MailChimp module 7.x-3.x before 7.x-3.3 for Drupal allows remote authenticated users with the "administer mailchimp" permission to inject arbitrary web script or HTML via unspecified vectors.
Conclusion & alert: CVE-2015-5488 is rated Low Risk (23.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.21%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-06-13 | 0.25% | 0.21% | -0.04% |
| 2 | 2025-03-30 | 0.20% | 0.25% | +0.05% |
| 3 | 2025-03-29 | — | 0.20% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| thinkshout | mailchimp | 7.x-3.0 | cpe:2.3:a:thinkshout:mailchimp:7.x-3.0:*:*:*:*:drupal:*:* |
| thinkshout | mailchimp | 7.x-3.0 | cpe:2.3:a:thinkshout:mailchimp:7.x-3.0:alpha1:*:*:*:drupal:*:* |
| thinkshout | mailchimp | 7.x-3.0 | cpe:2.3:a:thinkshout:mailchimp:7.x-3.0:beta1:*:*:*:drupal:*:* |
| thinkshout | mailchimp | 7.x-3.1 | cpe:2.3:a:thinkshout:mailchimp:7.x-3.1:*:*:*:*:drupal:*:* |
| thinkshout | mailchimp | 7.x-3.2 | cpe:2.3:a:thinkshout:mailchimp:7.x-3.2:*:*:*:*:drupal:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2015/07/04/4 | |
| https://www.drupal.org/node/2480173 | Patch |
| https://www.drupal.org/node/2480253 | Patch Vendor Advisory |