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WordPress plugin

Quick PayPal Payments: Payment Button & Form <= 6.0.3 — Missing Authorization

CVE-2026-108492Published · Updated

Action summary

Affected: ≤6.0.3Update to 6.0.4 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Quick PayPal Payments: Payment Button & Form quick-paypal-payments

  1. Affected≤ 6.0.3
  2. Patched in6.0.4

Update to 6.0.4 or newer.

You are affected if you run ≤ 6.0.3. Version 6.0.4 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Quick PayPal Payments: Payment Button & Form.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 6.0.4, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Quick PayPal Payments: Payment Button & Form to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Oly Hossen.

The Quick PayPal Payments: Payment Button & Form plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 6.0.3. This is due to a missing capability check on a function. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Quick PayPal Payments: Payment Button & Form

All 11
More vulnerabilities in Quick PayPal Payments: Payment Button & Form
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'form' Shortcode Attribute
≤6.0.4Update to 6.0.5
CVE-2026-110017
Medium5.3Unauthenticated Payment Bypass
<5.7.51Update to 5.7.51
CVE-2026-17008
Medium4.3Cross-Site Request Forgery
≤5.7.46Update to 5.7.47
CVE-2025-27003
Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
≤5.7.26.3Update to 5.7.26.4
CVE-2023-1554
Medium6.4Authenticated (Contributor+) Cross Site Scripting
≤5.7.25Update to 5.7.26
CVE-2023-23889

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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