CVE-2026-11943 PUBLISHED

Akaunting 3.1.21 - Authenticated stored XSS in document timeline

Assigner: Fluid Attacks
Reserved: 10.06.2026 Published: 22.06.2026 Updated: 22.06.2026

Akaunting 3.1.21 contains an authenticated stored cross-site scripting vulnerability in the document timeline shown on invoice and bill detail pages. An authenticated user can store HTML/JavaScript in their own profile name.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
CVSS Score: 4.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	Low
Attack Complexity	Low	Integrity	Low	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Akaunting
Product	Akaunting
Versions	Default: unaffected Version 3.1.21 is affected

Credits

Oscar Naveda finder
Fluid Attacks' AI SAST Scanner finder

References

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') CWE

Impacts

CAPEC-592 Stored XSS