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CVE-2026-4852

Image Source Control Lite – Show Image Credits and Captions <= 3.9.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'Image Source' Field

Published: Apr 20, 2026Updated: Apr 20, 2026 Sources: CVE List NVD
NVD MITRE
6.4CVSS
MEDIUM

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

CWE-79

Affected Products

Image Source Control Lite – Show Image Credits and Captions
webzunft

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://plugins.trac.wordpress.org/browser/image-source-control-isc/tags/3.8.0/public/views/global-list.php#L37
plugins.trac.wordpress.org
https://www.wordfence.com/threat-intel/vulnerabilities/id/db0222e2-5a50-43f4-8620-12b97c712dec?source=cve
wordfence.com

Timeline

Published
Apr 20, 2026
Last Updated
Apr 20, 2026

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