CVE-2026-4852 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Image Source Control Lite WordPress plugin through version 3.9.1. The flaw exists in the 'Image Source' attachment field where insufficient input sanitization and output escaping allows authenticated attackers with Author-level privileges or higher to inject malicious web scripts into pages. The vulnerability carries a CVSS 3.1 score of 6.4 (MEDIUM severity) with a network-based attack vector requiring low complexity and authenticated access. The impact is limited to confidentiality and integrity concerns without availability impact. The FAUCET Risk Score of 44.0/100 indicates moderate concern from a prioritization standpoint. Currently, CVE-2026-4852 shows no evidence of active exploitation. It is not listed on the Known Exploited Vulnerabilities (KEV) catalog, remains inactive on threat intelligence hot lists, and has an extremely low EPSS score of 0.0003, suggesting minimal current threat activity in the wild. Organizations should apply available patches but can deprioritize this below critical infrastructure vulnerabilities.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Webzunft | Image Source Control Lite – Show Image Credits And Captions | >= 0, <= 3.9.1CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.