Cross-site scripting in Anki - #VU150786
Published: September 17, 2026
Vulnerability identifier: #VU150786
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform privileged desktop API operations.
The vulnerability exists due to improper neutralization of input during web page generation in the image-occlusion document when rendering imported note HTML. A remote attacker can provide crafted note HTML that is opened in the editor to perform privileged desktop API operations.
Exploitation requires a referenced note with a supported image whose identifier survives import remapping.
Affected software
Anki
Remediation
Install security update from vendor's website.
Anki - update to 26.09