Premium Packages < 7.2.1 - Unauthenticated PayPal Webhook Signature Verification Bypass
Priority LOW 30CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-290.
Summary
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id they know.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0033 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Premium Packages (Unknown): 7.2.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Premium Packages | 7.0.0 to before 7.2.1 | 7.2.1 | Patch available | CNA |
- Premium Packages VendorUnknown Affected 7.0.0 to before 7.2.1 Fixed in 7.2.1 Patch available CNA
Remediation
- Fix · CNA Premium Packages (Unknown) Fixed in 7.2.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-93511
- 2026-10-03 Alias added: GHSA-wv8r-wv6j-wh9g
References
Sources
- CVE-2026-93511 · CVE Program
- CVE-2026-93511 · NVD
- FIRST EPSS
- GHSA-wv8r-wv6j-wh9g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences