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CVE-2026-88998

Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN

MEDIUM
5.3
CVSS Score
Published: October 14, 2026 at 10:27 AM UTC
Updated: October 14, 2026 at 04:14 PM UTC
1 product affected across 1 vendorTickera

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

The Tickera WordPress plugin before 3.6.0.4 does not correctly verify the integrity of incoming payment notifications, and the validated signature does not cover the order or the amount, allowing unauthenticated attackers to forge a payment confirmation and mark arbitrary orders as paid without paying.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tickera· Tickerawordpress-plugin
90%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/50fe4955-9193-4842-9ea6-1812d70d813e/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMWPScan
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-345

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