CVE-2026-18480

SureCart – Ecommerce Made Easy For Selling Physical Products, Digital Downloads, Subscriptions, Donations, & Payments < 4.6.3 - Authenticated (Subscriber+) Arbitrary Account Email Takeover

2026-09-07 00:00
Jakub Herman

Strategic Overview

Status
Patched in 4.6.3
Affected Plugin
SureCart – Ecommerce Made Easy For Selling Physical Products, Digital Downloads, Subscriptions, Donations, & Payments
Affected Version
< 4.6.3
CVSS
8.8High
Weakness type
CWE-620 · Unverified Password Change
CVE
CVE-2026-18480
View all SureCart – Ecommerce Made Easy For Selling Physical Products, Digital Downloads, Subscriptions, Donations, & Payments vulnerabilities

At a glance

CVE-2026-18480 is a high-severity Unverified Password Change vulnerability in the SureCart WordPress plugin, affecting versions < 4.6.3. It carries a CVSS score of 8.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). Exploitation requires an authenticated account at Subscriber level or above. The issue is fixed in version 4.6.3; sites on affected versions should update now. Disclosed September 2026, reported by Jakub Herman.

Vulnerability Overview

The SureCart – Ecommerce Made Easy For Selling Physical Products, Digital Downloads, Subscriptions, Donations, & Payments plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to 4.6.3 (exclusive). This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change arbitrary user's passwords, including administrators, and leverage that to gain access to their account.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.

CWE-620: Unverified Password Change

Reaching this weakness in SureCart < 4.6.3 takes an account at Subscriber level or above. Unverified password change means the password-update path does not require proof that the requester is the account owner.

An attacker who can reach the endpoint takes over the account outright, and the legitimate owner is locked out of it. For SureCart the fix is 4.6.3: builds < 4.6.3 are affected, anything from 4.6.3 onward is not.

Remediation

Update to version 4.6.3, or a newer patched version

How does WordSec protect against this?

Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. None of that substitutes for the fix: SureCart 4.6.3 closes this, and updating the plugin is the step that ends it.

  • Login Security
  • Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2026-18480https://www.wordfence.com/threat-intel/vulnerabilities/id/75e5c379-02a2-4f1e-b62f-e02087c8446bhttps://nvd.nist.gov/vuln/detail/CVE-2026-18480

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C