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VulnerabilityPublished

CVE-2026-13143: WP Travel · Authentication Bypass by Spoofing

Affects WP TravelSource CVE Database V5

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Not known to be exploited · CVSS 5.3 Medium : upgrade to 11.8.1 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 11.8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade WP Travel to 11.8.1.

Affected software

ProductAffectedFixed in
WP TravelAffected
  • <11.8.1
Fixed in
  • 11.8.1

AI-suggested

If you cannot patch yet, users should consider disabling PayPal IPN payment processing or implementing additional manual verification steps for booking payments to prevent unauthorized booking confirmations.

Description

CVE-2026-13143 is a medium severity vulnerability in the WP Travel WordPress plugin before version 11.8.1. The plugin fails to verify PayPal Instant Payment Notifications (IPNs) through the required PayPal post-back handshake. This flaw allows unauthenticated attackers to spoof payment notifications, causing arbitrary pending bookings to be marked as paid with attacker-chosen amounts.

References

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