Cyber Resilience

CVE-2023-33255

MediumPublic PoC

Published: 26 May 2023

Published
26 May 2023
Modified
15 January 2025
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0127 79.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-33255 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Uthscsa Papaya Viewer. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 20.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in Papaya Viewer 1.0.1449. User-supplied input in form of DICOM or NIFTI images can be loaded into the Papaya web application without any kind of sanitization. This allows injection of arbitrary JavaScript code into image metadata,…

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which is executed when that metadata is displayed in the Papaya web application.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

uthscsa
papaya viewer
1.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References