Medium severity · published Mar 27, 2026
CVE-2026-33739
FOG has Stored XSS in Multiple Management Pages
4.8
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
fogproject · FOGProject
< 1.5.10.1812 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33739
Exploit
https://github.com/FOGProject/fogproject/security/advisories/GHSA-8m2f-4x7g-p8f3
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