The Image Source Control WordPress plugin before 2.3.1 allows users with a role as low as Contributor to change arbitrary post meta fields of arbitrary posts (even those they should not be able to edit).
CVE-2021-24781 is a medium severity with CVSS 4.3 Authorization Bypass issue affecting the Plugin Image Source Control Lite – Show Image Credits and Captions. It affects Versions before 2.3.1 and is fixed in 2.3.1.
CVE-2021-24781 is tracked for the Plugin Image Source Control Lite – Show Image Credits and Captions as medium severity with CVSS 4.3. The affected range is Versions before 2.3.1. Update Image Source Control Lite – Show Image Credits and Captions to 2.3.1 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-2021-24781 |
| Patched Versions |
2.3.1
|
| Affected Versions |
Versions before 2.3.1
|
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 <= 3.9.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'Image Source' Field
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
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