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Paystack WooCommerce Payment Gateway <= 5.8.5 - Unauthenticated Sensitive Information Exposure in 'key' Parameter on order-pay Endpoint

5.3MediumCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
0.27% · 19th percentile
27/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

Paystack WooCommerce Payment Gateway, a WordPress plugin, has a flaw that lets an attacker remotely, without logging in, read customer personal details such as names, email addresses, phone numbers, and billing and shipping addresses by enumerating order IDs through the order-pay page. This only applies when the merchant has turned on the optional custom metadata feature in the gateway settings.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

The Paystack WooCommerce Payment Gateway plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 5.8.5 via the 'key' parameter. This makes it possible for unauthenticated attackers to extract customer PII — including billing name, email address, phone number, billing address, shipping address, and purchased product list — embedded into page HTML via wp_localize_script by enumerating sequential order IDs. This is only exploitable when the merchant has enabled the optional custom metadata feature in the Paystack gateway settings.

cve.now Index

27Pcve.now Index 27 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure17/25No login or user action needed per the CVSS vector, reachable over the network without a login · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity5.3/10CVSS 5.3
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 72 if added to CISA KEV
  • Would score about 67 if CISA's SSVC rates exploitation active
  • Would score about 32 if advisories confirm default setups are exposed

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • paystack Paystack WooCommerce Payment Gateway

    through 5.8.5

Evidence 6

  1. Link
  2. Link
  3. Link
  4. Link
  5. Link
  6. Link

Corrections

None so far.

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Questions about CVE-2026-93370

Is CVE-2026-93370 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-93370?

Paystack WooCommerce Payment Gateway: through 5.8.5.Source: cve.now feed data