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Payment Forms for Paystack exposes API secret keys to Contributors

Priority LOW 22CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

The Payment Forms for Paystack WordPress plugin before 4.0.6 does not properly restrict access to a page that shows its stored configuration (CWE-200). A remote user with the Contributor role or higher can view the live and test secret payment gateway API keys, which grant full access to the site owner's payment account. The references include a link to an exploit.

Written with Claude Haiku 5.5 from the sources below · 2026-11-01

Description from the CNA

The Payment Forms for Paystack WordPress plugin before 4.0.6 does not properly restrict access to a page that displays its stored configuration, allowing users with the Contributor role and above to view secret payment-gateway API credentials, both the live and test secret keys, which grant full access to the site owner's payment account.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00289 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Payment Forms for Paystack (Unknown): 4.0.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownPayment Forms for Paystackbefore 4.0.64.0.6Patch availableCNA
  • Payment Forms for Paystack VendorUnknown Affected before 4.0.6 Fixed in 4.0.6 Patch available CNA

Remediation

Update Payment Forms for Paystack to version 4.0.6, which is the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-11-01

  • Fix · CNA Payment Forms for Paystack (Unknown) Fixed in 4.0.6

Timeline

  1. 2026-10-31 Threatist record created from CVE-2026-110042
  2. 2026-10-31 Alias added: GHSA-999r-c647-2rx8
  3. 2026-11-01 CVSS score added · CISA ADP
  4. 2026-11-01 Weakness changed · CISA ADP
  5. 2026-11-01 CISA SSVC decision points changed

References

Sources