CVE-2026-124491
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
61/100
Published: 2026-11-08
Modified: 2026-11-12
First seen: 2026-11-08
Status: active
Attack Surface
Network
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
Low
UI:
None
S:
X
AT:
None
VC:
Low
VI:
Low
VA:
None
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.
Weakness Classification (1)
Affected Software (2)
References & Advisories (2)
vendor-advisory
third-party-advisory