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TI-2017-13750 Aliases CVE-2017-18577GHSA-5r89-pg9g-xf8p

The mailchimp-for-wp plugin before 4.1.8 for WordPress has XSS via the return value of add_query_arg.

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The mailchimp-for-wp plugin before 4.1.8 for WordPress has XSS via the return value of add_query_arg.

Why it matters now

EPSS 0.00905 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ibericode:mailchimp_for_wordpress:*:*:*:*:*:wordpress:*:*before 4.1.8Vulnerabledvankooten
  • cpe:2.3:a:ibericode:mailchimp_for_wordpress:*:*:*:*:*:wordpress:*:* Versions before 4.1.8 Vulnerable ·dvankooten

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-18577
  2. 2026-10-03 Alias added: GHSA-5r89-pg9g-xf8p

References

Other 1

  • TI-2016-08909 The mailchimp-for-wp plugin before 4.0.11 for WordPress has XSS on the integration settings page. CVSS 3.0MEDIUM 6.1
  • TI-2021-14938 WordPress MC4WP plugin <= 4.8.6 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences