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WordPress plugin

WP Cerber Security <= 9.0 — Authenticated (Admin+) Stored Cross-Site Scripting

dc5050dc-39de-4544-bf51-0927b2972d34Published · Updated

Action summary

Affected: ≤9.0Update to 9.1 or newer

All remediation steps
Watch plugin
Severity
Medium5.5
CVSS
5.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:H Privileges required
High
UI:N User interaction
None
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?

WP Cerber Security, Anti-spam & Malware Scan wp-cerber

  1. Affected≤ 9.0
  2. Patched in9.1

Update to 9.1 or newer.

You are affected if you run ≤ 9.0. Version 9.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP Cerber Security, Anti-spam & Malware Scan.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 9.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WP Cerber Security, Anti-spam & Malware Scan to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

The WP Cerber Security plugin for WordPress is vulnerable to stored cross-site scripting via the 'add_acl_comment' parameter. This makes it possible for authenticated attackers with administrator-level permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in WP Cerber Security, Anti-spam & Malware Scan

All 9
More vulnerabilities in WP Cerber Security, Anti-spam & Malware Scan
SeverityVulnerabilityCVEPublished
Medium5.3IP Protection Bypass
≤9.4Update to 9.5
CVE-2022-4100
High7.2Unauthenticated Stored Cross-Site Scripting
≤9.1Update to 9.2
CVE-2022-4712
Medium5.3User Enumeration Bypass via REST API
≤9.3.2Update to 9.3.3
CVE-2022-4417
Medium5.3User Enumeration Bypass
≤9.0Update to 9.1
CVE-2022-2939
High7.2Unauthenticated Stored Cross-Site Scripting
≤8.9.5.2Update to 8.9.6
CVE-2022-0429

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 5.5

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
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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