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SupportCandy – Helpdesk & Support Ticket System <= 2.2.6 — Cross-Site Request Forgery to Stored Cross-Site Scripting

CVE-2021-24879Published · Updated

Action summary

Affected: <2.2.7Update to 2.2.7 or newer

All remediation steps
Watch plugin
Severity
Medium6.1
CVSS
6.1
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/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:N Privileges required
None
UI:R User interaction
Required
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-352 CSRF
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

SupportCandy – Helpdesk, Support Ticket System & AI Chatbot supportcandy

  1. Affected< 2.2.7
  2. Patched in2.2.7

Update to 2.2.7 or newer.

You are affected if you run < 2.2.7. Version 2.2.7 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under SupportCandy – Helpdesk, Support Ticket System & AI Chatbot.
  • 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 2.2.7, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch SupportCandy – Helpdesk, Support Ticket System & AI Chatbot to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to apple502j.

The SupportCandy – Helpdesk & Support Ticket System WordPress plugin before 2.2.7 does not have CSRF check in the wpsc_tickets AJAX action, nor has any sanitisation or escaping in some of the filter fields which could allow attackers to make a logged in user having access to the ticket lists dashboard set an arbitrary filter (stored in their cookies) with an XSS payload in it.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in SupportCandy – Helpdesk, Support Ticket System & AI Chatbot

All 24
More vulnerabilities in SupportCandy – Helpdesk, Support Ticket System & AI Chatbot
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via 'name' Parameter
≤3.5.3Update to 3.5.4
CVE-2026-94378
Medium6.5Authenticated (Custom+) SQL Injection via 'sort_by' Parameter
≤3.5.3Update to 3.5.4
CVE-2026-94539
Medium5.33.5.2 - Unauthenticated Information Exposure
3.3.6 – 3.5.2Update to 3.5.3
CVE-2026-81022
Medium5.33.5.2 - Unauthenticated Ticket Attachment Read
3.2.9 – 3.5.2Update to 3.5.3
CVE-2026-81021
Medium5.3Missing Authorization
≤3.5.1Update to 3.5.2
CVE-2026-73350

Same weakness (CSRF)

All CSRF
Other CSRF 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 6.1

  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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