CVE-2026-88928 json
PAYCOMET for WooCommerce 5.36 - 5.45 - Unauthenticated Stored Payment Token Overwrite via Signature Verification Bypass
published 2026-10-29 11 d ago modified 2026-10-29 10 d ago also EUVD-2026-112614
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
The PAYCOMET for WooCommerce WordPress plugin before 5.46 does not verify the cryptographic signature on its payment notification endpoint when the request references a tokenisation operation, allowing unauthenticated attackers to overwrite the stored payment token associated with existing orders and delete saved card records.
Patch / fix
- Unknown PAYCOMET for WooCommerce 5.46
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 10 d ago
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/aa7b4a44-9584-47e5-b3a1-1dcf876a86e4/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected products
- Unknown PAYCOMET for WooCommerce
Classification
- Weakness
-
- CWE-287 Improper Authentication
- Technology feeds
References
-
wpscan.com
/vulnerability/aa7b4a44-9584-47e5-b3a1-1dcf876a86e4/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-88928
- NVD CVE-2026-88928
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.