HIGH

CVE-2020-5237

CVSS v3

8.8

HIGH

EPSS Score

3.9 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

oneup/uploader-bundlePackagistfrom 1.0.0 · fixed in 1.9.3

Full record on NVD

Description

Multiple relative path traversal vulnerabilities in the oneup/uploader-bundle before 1.9.3 and 2.1.5 allow remote attackers to upload, copy, and modify files on the filesystem (potentially leading to arbitrary code execution) via the (1) filename parameter to BlueimpController.php; the (2) dzchunkindex, (3) dzuuid, or (4) filename parameter to DropzoneController.php; the (5) qqpartindex, (6) qqfilename, or (7) qquuid parameter to FineUploaderController.php; the (8) x-file-id or (9) x-file-name parameter to MooUploadController.php; or the (10) name or (11) chunk parameter to PluploadController.php. This is fixed in versions 1.9.3 and 2.1.5.

Technical details

Published: 2020-02-05

Frequently asked questions

What is CVE-2020-5237?

Is CVE-2020-5237 actively exploited?

Active exploitation of CVE-2020-5237 has not been confirmed. Its EPSS score was 3.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-5237?

CVE-2020-5237 has a CVSS v3 base score of 8.8 (HIGH severity).

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