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Participants Database <= 1.9.5.5 — SQL Injection

CVE-2020-8596Published · Updated

Action summary

Affected: <1.9.5.6Update to 1.9.5.6 or newer

All remediation steps
Watch plugin
Severity
High7.5
CVSS
7.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:H Attack complexity
High
PR:L Privileges required
Low
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
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Participants Database participants-database

  1. Affected< 1.9.5.6
  2. Patched in1.9.5.6

Update to 1.9.5.6 or newer.

You are affected if you run < 1.9.5.6. Version 1.9.5.6 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Participants Database.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 1.9.5.6, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Participants Database to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Teacish.

participants-database.php in the Participants Database plugin 1.9.5.5 and previous versions for WordPress has a time-based SQL injection vulnerability via the ascdesc, list_filter_count, or sortBy parameters. It is possible to exfiltrate data and potentially execute code (if certain conditions are met).

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Participants Database

All 18
More vulnerabilities in Participants Database
SeverityVulnerabilityCVEPublished
High7.5Unauthenticated SQL Injection
≤2.7.8.5No patch available
CVE-2026-112860
High8.1Unauthenticated PHP Object Injection
≤2.7.8.5No patch available
CVE-2026-112862
Medium4.3Authenticated (Contributor+) Insecure Direct Object Reference
≤2.7.8.5No patch available
CVE-2026-112861
Critical9.1Unauthenticated Arbitrary File Deletion
≤2.7.8.4Update to 2.7.8.5
CVE-2026-28189
High7.5Unauthenticated SQL Injection
<2.7.8.4Update to 2.7.8.4
CVE-2026-13596

Same weakness (SQL Injection)

All SQL Injection
Other SQL Injection 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 high, CVSS 7.5

  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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