CVE-2026-3461
Visa Acceptance Solutions <= 2.1.0 - Unauthenticated Authentication Bypass via Billing Email
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: total
Summary
The Visa Acceptance Solutions plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 2.1.0. This is due to the `express_pay_product_page_pay_for_order()` function logging users in based solely on a user-supplied billing email address during guest checkout for subscription products, without verifying email ownership, requiring a password, or validating a one-time token. This makes it possible for unauthenticated attackers to log in as any existing user, including administrators, by providing the target user's email address in the billing_details parameter, resulting in complete account takeover and site compromise.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
Affected versions
- visaacceptancesolutions Visa Acceptance Solutions
through 2.1.0
References 5
plugins.trac.wordpress.org
- browser/visa-acceptance-solutions/tags/2.1.0/public/class-visa-acceptance-payment-gateway-expresspay-public.php#L777
- browser/visa-acceptance-solutions/tags/2.1.0/public/class-visa-acceptance-payment-gateway-expresspay-public.php#L790
- browser/visa-acceptance-solutions/trunk/public/class-visa-acceptance-payment-gateway-expresspay-public.php#L777
- browser/visa-acceptance-solutions/trunk/public/class-visa-acceptance-payment-gateway-expresspay-public.php#L790