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CVE-2026-88998
Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN
Medium5.3EPSS 0.15%
- Published
- Updated
- Reserved
- Assigned by
- WPScan
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WPScanCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.15% · top 96% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
- CWE-345 Insufficient Verification of Data Authenticity
- CWE-345 Insufficient Verification of Data Authenticity (opens in a new tab)All about CWE-345 and its CVEs
Affected products
References (1)
- https://wpscan.com/vulnerability/50fe4955-9193-4842-9ea6-1812d70d813e/ (opens in a new tab)exploitvdb-entrytechnical-description
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-88998)Record last updated .