EUVD-2026-30172Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Lifecycle Timeline
2DescriptionGitHub Advisory
CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x - 6.7.1 builds CC_STORE_URL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links, most critically the password-reset link in User::passwordRequest() (and the admin equivalent in Admin::passwordRequest()). An unauthenticated attacker who knows a target email can POST /index.php?_a=recover with Host: evil.com; CubeCart writes a fresh verify token (valid 3,600 s) and emails the victim a link http://evil.com/index.php?_a=recovery&validate=<TOKEN>. The token is valid against the legitimate store - capturing the victim's click on evil.com yields full account takeover, or store takeover when an admin email is targeted. This vulnerability is fixed in 6.7.2.
AnalysisAI
Account and store takeover in CubeCart 6.6.x through 6.7.1 is possible because the CC_STORE_URL constant is derived from the unvalidated Host header at bootstrap and embedded into password-reset emails. A remote unauthenticated attacker who knows a victim's email address can trigger a host-header poisoning attack that emails the user a reset link pointing at attacker-controlled infrastructure, capturing a valid 3,600-second token on click. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the CubeCart instance accept and reflect arbitrary HTTP Host headers at bootstrap (the default behavior in 6.6.x-6.7.1 with no allowlist), that the attacker know a valid registered email address for the target store, and that the targeted user click the poisoned password-reset link within the 3,600-second token validity window (UI:R in the CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are mixed but lean toward prioritization for any internet-facing CubeCart deployment. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker harvests a customer or administrator email (from public order confirmations, leaked databases, or admin contact pages) and sends POST /index.php?_a=recover to the target store with a spoofed Host: evil.com header. CubeCart issues a real reset token tied to the victim's account but emails the victim a link of the form http://evil.com/index.php?_a=recovery&validate=<TOKEN>; when the victim clicks, the token lands on the attacker's server and can be replayed against the legitimate store to seize the account, with admin targeting yielding full store takeover. … |
| Remediation | Vendor-released patch: upgrade to CubeCart 6.7.2 or later, as documented in GHSA-7pvc-gxc4-chmc (https://github.com/cubecart/v6/security/advisories/GHSA-7pvc-gxc4-chmc). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all CubeCart installations and identify those running versions 6.6.x through 6.7.1. …
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