CVE-2026-87841
UnitechPay <= 1.0.6.3 - Unauthenticated Order Payment Bypass via Unsigned Webhook
The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.3
UnitechPay <= 1.0.6.3 - Unauthenticated Order Payment Bypass via Unsigned Webhook
The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.
- Record
CVE-2026-87841- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-95505
5.3
The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.
- Record
EUVD-2026-95505- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wvj2-mvv8-vc7f
5.3
The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment...
The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.
- Record
GHSA-wvj2-mvv8-vc7f- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
5.3
The UnitechPay WordPress plugin through 1.0.6.3 does not verify the authenticity of the payment notifications it receives, allowing unauthenticated attackers to mark orders placed through it as paid without any payment being made, as well as to force other orders into a failed state.
- Record
CVE-2026-87841- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-87841 is a medium vulnerability (CVSS 5.3) in Unitech Web Unitechpay, published October 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.