๐Ÿ” CVE Alert

CVE-2026-34416

MEDIUM 6.1

OSCAL-GUI Reflected XSS via project parameter in oscal.php

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

OSCAL-GUI contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser by injecting malicious input through the project request parameter. Attackers can craft a malicious URL containing unsanitized input that breaks out of the JavaScript string and HTML attribute context in the body onload event handler to execute arbitrary scripts when the link is visited by a victim.

CWE CWE-79
Vendor brian-ruf
Product oscal-gui
Published Jun 9, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

brian-ruf / OSCAL-GUI
0 โ‰ค c989c4bd5a68f2621a81654e9250246539a28d5a

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
gist.github.com: https://gist.github.com/cyberinforepo/5a8d369a005826b6b42bfeed9607c2dd vulncheck.com: https://www.vulncheck.com/advisories/oscal-gui-reflected-xss-via-project-parameter-in-oscal-php

Credits

philopentest VulnCheck