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WordPress Payments Plugin | GetPaid <= 2.3.3 — Authenticated Stored Cross-Site Scripting

CVE-2021-24369Published · Updated

Action summary

Affected: ≤2.3.3Update to 2.3.4 or newer

All remediation steps
Watch plugin
Severity
Medium5.4
CVSS
5.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:R User interaction
Required
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Payment forms, Buy now buttons, and Invoicing System | GetPaid invoicing

  1. Affected≤ 2.3.3
  2. Patched in2.3.4

Update to 2.3.4 or newer.

You are affected if you run ≤ 2.3.3. Version 2.3.4 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Payment forms, Buy now buttons, and Invoicing System | GetPaid.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.3.4, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Payment forms, Buy now buttons, and Invoicing System | GetPaid to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Jorgson.

In the GetPaid WordPress plugin before 2.3.4, users with the contributor role and above can create a new Payment Form, however the Label and Help Text input fields were not getting sanitized properly. So it was possible to inject malicious content such as img tags, leading to a Stored Cross-Site Scripting issue which is triggered when the form will be edited, for example when an admin reviews it and could lead to privilege escalation.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Payment forms, Buy now buttons, and Invoicing System | GetPaid

All 10
More vulnerabilities in Payment forms, Buy now buttons, and Invoicing System | GetPaid
SeverityVulnerabilityCVEPublished
Medium5.3Unauthenticated Insecure Direct Object Reference
≤2.8.62Update to 2.8.63
CVE-2026-119748
Medium5.3Unauthenticated Payment Processing Bypass
≤2.8.62Update to 2.8.63
CVE-2026-119749
Medium4.3Missing Authorization
≤2.8.62Update to 2.8.63
CVE-2026-119747
High7.2Unauthenticated Stored Cross-Site Scripting
≤2.8.62Update to 2.8.63
CVE-2026-115609
High7.2Unauthenticated Stored Cross-Site Scripting via 'mmdwqzpoxadd' Parameter
≤2.8.61Update to 2.8.62
CVE-2026-111110

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting 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 5.4

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. 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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