How severe is CVE-2023-33255?

CVE-2023-33255 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-33255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33255?

CVE-2023-33255 affects Uthscsa Papaya Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33255?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-33255 published?

CVE-2023-33255 was published on 2023-05-26 and last updated on 2026-06-17.

CVE-2023-33255

CVE-2023-33255 is a medium-severity vulnerability in Uthscsa Papaya Viewer with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Uthscsa Papaya Viewer
Published: 2023-05-26
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-33255?: 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, which is executed when that metadata is displayed in the Papaya web application.
How severe is CVE-2023-33255?: CVE-2023-33255 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-33255 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33255?: CVE-2023-33255 affects Uthscsa Papaya Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33255?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-33255 published?: CVE-2023-33255 was published on 2023-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:uthscsa:papaya_viewer:1.0:*:*:*:*:*:*:*

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