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Sermon Browser < 0.43.6 — Cross-Site Scripting

69a0262e-6061-4139-ac59-b1a13dd2f147Published · Updated

Action summary

Affected: <0.43.6Update to 0.43.6 or newer

All remediation steps
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-79 Cross-Site Scripting
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

Sermon Browser sermon-browser

  1. Affected< 0.43.6
  2. Patched in0.43.6

Update to 0.43.6 or newer.

You are affected if you run < 0.43.6. Version 0.43.6 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Sermon Browser.
  • 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 0.43.6, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Sermon Browser to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Ma3sTr0-Dz.

The Sermon Browser plugin for WordPress is vulnerable to Cross-Site Scripting via the 'file_name' parameter in versions before 0.43.6 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts that execute in a victim's browser.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Sermon Browser

All 4
More vulnerabilities in Sermon Browser
SeverityVulnerabilityCVEPublished
High8.8Cross-Site Request Forgery
≤0.45.22No patch available
CVE-2022-0499
Medium6.1Multiple Cross-Site Scripting
≤0.45.15Update to 0.45.16
CVE-2016-10897
Critical9.8SQL Injection
<0.43.6Update to 0.43.6
—

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 HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-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

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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