TI-2023-15111 Aliases CVE-2023-31541 GHSA-w4w8-q6pw-hgxq

A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’…

HIGH 82CWE-434Published 2023-06-13 · Updated 2026-07-09

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01431 73rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ckeditor:ckeditor:1.2.3:::::redmine::	1.2.3	Vulnerable	ckeditor

cpe:2.3:a:ckeditor:ckeditor:1.2.3:*:*:*:*:redmine:*:* Versions 1.2.3 Vulnerable ·ckeditor

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-31541
2026-10-03 Alias added: GHSA-w4w8-q6pw-hgxq

References

Exploit 1

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

TI-2021-18004 HTML comments vulnerability allowing to execute JavaScript code CVSS 3.1HIGH 8.2
TI-2022-08543 Regular expression Denial of Service in dialog plugin CVSS 3.1HIGH 7.5
TI-2021-18003 Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML CVSS 3.1HIGH 8.2
TI-2021-12473 Cross-site scripting in ckeditor via abuse of undo functionality CVSS 3.1HIGH 7.6
TI-2011-04280 Information disclosure in CKSource CKEditor Drupal module CVSS 3.1HIGH 7.5
TI-2021-15570 Execution of JavaScript code using malformed HTML in ckeditor CVSS 3.1HIGH 7.3

See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences