CVE-2026-124491

MediumCVSS 6.4/10Last modified Nov 12, 2026

Description

SunEditor before 3.4.0 contains a stored cross-site scripting vulnerability in the FileUpload plugin create() method that assigns server-returned file names to innerHTML without escaping. Attackers can upload files with HTML-laden names that bypass html.clean() and execute JavaScript in victims' browsers when content or gallery items load, enabling session theft.

Metrics

CVSS 3.1 6.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
JiHong88	suneditor	< 3.4.0

References

Timeline

Published: Nov 8, 2026
Last modified: Nov 12, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-1244927.6SunEditor before 3.4.0 contains a stored cross-site scripting vulnerability in ModalAnchorEditor's #createBookmarkList, which inserts entity CVE-2026-1244939.3SunEditor before 3.4.0 contains a stored cross-site scripting vulnerability in the DocumentType constructor that injects header textContent CVE-2026-1244949.3SunEditor before 3.4.0 contains a stored cross-site scripting vulnerability because the html.clean() sanitizer's _normalizeURL() function de CVE-2026-124495When workers run as the topology owner, the Logviewer serves files that a worker has placed in its own log directory as links to other files CVE-2026-124496The DRPC HTTP endpoint lets an authenticated client act as another user without applying the configured impersonation authorizer. An authent CVE-2026-1244983.5A vulnerability was determined in Convene Azeus Convene Board Management Portal 7.0.2.7_3 p72. The impacted element is an unknown function o CVE-2026-1244994.7A vulnerability was identified in Fengoffice Feng Office up to 3.11.13.11/4.2.1.2. This affects the function write_translations of the file CVE-2026-12456.5A code injection vulnerability in the binary-parser library prior to version 2.3.0 allows arbitrary JavaScript code execution when untrusted CVE-2026-124506.5Inappropriate implementation in Media in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to obtain potentially sensitive inf CVE-2026-1245006.3A security flaw has been discovered in Fengoffice Feng Office up to 3.11.13.11/4.2.1.2. This impacts the function upload_document_image of t CVE-2026-1245017.3A weakness has been identified in Tidelift moto up to 5.2.4. Affected is an unknown function of the file moto/batch/models.py of the compone CVE-2026-1245024.3A security vulnerability has been detected in yungifez Skuul School Management System up to 2.6.3. Affected by this vulnerability is the fun