CVE-2025-59413

CubeCart Unauthorized Newsletter Unsubscription via force_unsubscribe Parameter

Published Sep 22, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
CubeCart is an ecommerce software solution. Prior to version 6.5.11, a logic flaw exists in the newsletter subscription endpoint that allows an attacker to unsubscribe any user without their consent. By changing the value of the force_unsubscribe parameter in the POST request to 1, an attacker can force the removal of any valid subscriber’s email address. This issue has been patched in version 6.5.11.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-30840 CubeCart is an ecommerce software solution. Prior to version 6.5.11, a logic flaw exists in the newsletter subscription endpoint that allows an attacker to unsubscribe any user without their consent. By changing the value of the force_unsubscribe parameter in the POST request to 1, an attacker can force the removal of any valid subscriber’s email address. This issue has been patched in version 6.5.11.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:cubecart:cubecart:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Cubecart
Cubecart cubecart
Vendors & Products Cubecart
Cubecart cubecart
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description CubeCart is an ecommerce software solution. Prior to version 6.5.11, a logic flaw exists in the newsletter subscription endpoint that allows an attacker to unsubscribe any user without their consent. By changing the value of the force_unsubscribe parameter in the POST request to 1, an attacker can force the removal of any valid subscriber’s email address. This issue has been patched in version 6.5.11.
Title CubeCart Unauthorized Newsletter Unsubscription via force_unsubscribe Parameter
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 22, 2025, 5:26 PM
Reserved
Sep 15, 2025, 7:13 PM
Status
Analyzed
Published
Sep 22, 2025, 5:16 PM
Modified
Jun 17, 2026, 9:46 AM