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Fogproject EUVD-2026-16779

| CVE-2026-33739 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-03-27 security-advisories@github.com
5.7
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
5.7 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low

Lifecycle Timeline

4
Patch available
Apr 16, 2026 - 05:29 EUVD
1.5.10.1812
EUVD ID Assigned
Mar 27, 2026 - 20:22 euvd
EUVD-2026-16779
Analysis Generated
Mar 27, 2026 - 20:22 vuln.today
CVE Published
Mar 27, 2026 - 20:16 nvd
MEDIUM 5.7

DescriptionGitHub Advisory

FOG is a free open-source cloning/imaging/rescue suite/inventory management system. Prior to 1.5.10.1812, the listing tables on multiple management pages (Host, Storage, Group, Image, Printer, Snapin) are vulnerable to Stored Cross-Site Scripting (XSS), due to insufficient server-side parameter sanitization in record creations/updates and a lack of HTML escaping in listing tables. Version 1.5.10.1812 patches the issue.

AnalysisAI

Stored cross-site scripting (XSS) in FOG Project versions prior to 1.5.10.1812 allows authenticated high-privilege administrators to inject malicious scripts into management pages (Host, Storage, Group, Image, Printer, Snapin) through unsanitized record creation/update parameters, which are then executed when other administrators view the listing tables. The vulnerability requires administrative access and user interaction to trigger, resulting in potential session hijacking, credential theft, or lateral movement within the management interface.

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Vulnerability AssessmentAI

Risk Assessment While the CVSS 5.7 score reflects the restricted attack surface (requires PR:H privileged access and UI:R user interaction), the real-world risk is notably elevated by the stored nature of the payload and the administrative context. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A disgruntled or compromised administrator with high-privilege FOG account credentials creates a new Host record with a malicious payload injected into a text field (e.g., hostname or description field). The payload is stored unsanitized in the database. …
Remediation Upgrade FOG Project to version 1.5.10.1812 or later, which patches the vulnerability by implementing server-side input sanitization and HTML escaping in listing table output. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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EUVD-2026-16779 vulnerability details – vuln.today

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