Slek Gateway for WooCommerce <= 1.0 - Unauthenticated Insufficiently Protected Credentials via Payment Redirect Form Hidden Fields

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Summary

CVECVE-2026-7626
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-12 09:16:57 UTC
Updated2026-05-12 09:16:57 UTC
DescriptionThe Slek Gateway for WooCommerce plugin for WordPress is vulnerable to Information Exposure in version 1.0. This is due to the wsb_handle_slek_payment_redirect() function placing the merchant's slek_key and slek_secret API credentials directly into a client-side HTML form, and additionally embedding the slek_secret as a plaintext GET parameter in the IPN callback URL. This makes it possible for unauthenticated attackers who can place an order on the affected store to extract the merchant's API credentials by viewing the HTML source or using browser DevTools on the WooCommerce order-pay page before the JavaScript auto-submit fires.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem Types: CWE-200 | CWE-200 CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Qqqjus Slek Gateway For WooCommerce affected 1.0 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/slek-gateway-for-woocommerce/tags/1.0/slek-gateway-fo... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/slek-gateway-for-woocommerce/trunk/slek-gateway-for-w... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/slek-gateway-for-woocommerce/trunk/slek-gateway-for-w... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/slek-gateway-for-woocommerce/tags/1.0/slek-gateway-fo... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/45ccc116-866e-467f-8ebb-8a3b6... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: KEVIN LEE (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-05-11T19:06:11.000ZDisclosed
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