Medium severity6.4NVD Advisory· Published Apr 20, 2026· Updated Apr 22, 2026

CVE-2026-4852

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Image Source Control Iscinferred
Range: <=3.9.1
Package: https://wordpress.org/plugins/image-source-control-isc
Imagesourcecontrol/Image Source Controlllm-fuzzy
Range: <= 3.9.1

Patches

Vulnerability mechanics

References

News mentions

Wordfence Intelligence Weekly WordPress Vulnerability Report (April 20, 2026 to April 26, 2026)
Wordfence Blog · Apr 30, 2026

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