CVE-2023-31541

CRITICALNVD 9.89.8—Elevated

9.8

A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CKEditor v1.2.3 plugin for Redmine, which allows arbitrary files to be uploaded to the server.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 90.4%
KEV: Not listed

Published

June 13, 2023

Last Modified

January 3, 2025

Advisory Details (2)

Auto-updated May 25, 2026

No patch confirmed yet.

generic

CVE-2023-31541/CVE-2023-31541.md at main · DreamD2v/CVE-2023-31541 · GitHub

https://github.com/DreamD2v/CVE-2023-31541/blob/main/CVE-2023-31541.md

generic

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http://redmine.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCDreamD2v/CVE-2023-31541
First seen Jun 10, 2023
Open source ↗

Frequently asked(5)

What is CVE-2023-31541?

CVE-2023-31541 is a critical vulnerability published on June 13, 2023. A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CKEditor v1.2.3 plugin for Redmine, which allows arbitrary files to be uploaded to the server.

When was CVE-2023-31541 disclosed?

CVE-2023-31541 was first published in the National Vulnerability Database on June 13, 2023, with the most recent update on January 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-31541 actively exploited?

CVE-2023-31541 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-31541?

CVE-2023-31541 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-31541?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31541, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-31541

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CVE-2023-31541

📅 Published

🔄 Last Modified

📋 Advisory Details (2)