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Medium 5.3Published Jul 30, 2026

CVE-2026-13143WP Travel < 11.8.1 - Unauthenticated Payment Bypass via Forged PayPal IPN

Updated under an hour ago ()

Does this affect you?

It affects Unknown WP Travel. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

The WP Travel WordPress plugin before 11.8.1 does not verify PayPal Instant Payment Notifications through the PayPal post-back handshake before marking a booking paid, allowing unauthenticated attackers to forge a notification that flips an arbitrary pending booking to a paid and booked state at an attacker-chosen amount.

CVSS
5.3 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-290
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Jul 30, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Unknown WP Travel
unknown:wp_travel (from the name)
before 11.8.1
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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