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WordPress plugin

Quick Chat < 4.00 — SQL Injection

CVE-2018-12534Published · Updated

Action summary

Affected: <4.00Update to 4.00 or newer

All remediation steps
Watch plugin
Severity
Critical9.8
CVSS
9.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-89 SQL Injection
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Quick Chat quick-chat

  1. Affected< 4.00
  2. Patched in4.00

Update to 4.00 or newer.

You are affected if you run < 4.00. Version 4.00 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 Chat.
  • 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 4.00, 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 Chat to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Teemu Muikku.

A SQL injection issue was discovered in the Quick Chat plugin before 4.00 for WordPress.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Quick Chat

All 2
More vulnerabilities in Quick Chat
SeverityVulnerabilityCVEPublished
High8.8SQL Injection
≤4.14No patch available
CVE-2019-1010104
  • High8.8
    SQL Injection

    ≤4.14No patch available

    CVE-2019-1010104

Same weakness (SQL Injection)

All SQL Injection
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CVE-2026-120688
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Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
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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 critical, CVSS 9.8

  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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