The Image Source Control Lite – Show Image Credits and Captions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Image Source' attachment field in all versions up to, and including, 3.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2026-4852 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin Image Source Control Lite – Show Image Credits and Captions. It affects Versions up to 3.9.1 and is fixed in 3.9.2.
CVE-2026-4852 is tracked for the Plugin Image Source Control Lite – Show Image Credits and Captions as medium severity with CVSS 6.4. The affected range is Versions up to 3.9.1. Update Image Source Control Lite – Show Image Credits and Captions to 3.9.2 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
image-source-control-isc
View on wordpress.org
|
| CVE | CVE-2026-4852 |
| Patched Versions |
3.9.2
|
| Affected Versions |
Versions up to 3.9.1
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Image Source Control Lite – Show Image Credits and Captions <= 2.28.0 - Reflected Cross-Site Scripting
Image Source Control <= 2.29.0 - Reflected Cross-Site Scripting
Image Source Control <= 2.17.0 - Sensitive Information Exposure via Log File
Image Source Control Lite < 2.3.1 - Insecure Direct Object Reference
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