Description
Akaunting 3.3.0 contains a stored cross-site scripting vulnerability in custom invoice payment terms. An authenticated Manager can save a crafted custom payment-term value. When an authorized user opens Invoice Settings for the same company, Akaunting inserts the stored value into a client-side event-handler expression, causing attacker-controlled JavaScript to execute in the victim's authenticated origin.
Published: 2026-11-12
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Use a JavaScript-safe serializer such as Laravel Js::from() or a framework data binding for the custom payment-term value; validate it as a bounded integer when it represents a number of days; apply the vendor-fixed release once one is published.


Vendor Workaround

Use only predefined payment-term options, replace existing custom values, and restrict invoice-settings update access to trusted users until a vendor fix is available. Treat this as temporary mitigation rather than a fix.

Tracking

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Advisories

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History

Thu, 12 Nov 2026 06:15:00 +0000

Type Values Removed Values Added
Description Akaunting 3.3.0 contains a stored cross-site scripting vulnerability in custom invoice payment terms. An authenticated Manager can save a crafted custom payment-term value. When an authorized user opens Invoice Settings for the same company, Akaunting inserts the stored value into a client-side event-handler expression, causing attacker-controlled JavaScript to execute in the victim's authenticated origin.
Title Akaunting 3.3.0 - Stored XSS in custom invoice payment terms
First Time appeared Akaunting
Akaunting akaunting
Weaknesses CWE-79
CPEs cpe:2.3:a:akaunting:akaunting:3.3.0:*:linux:*:*:*:*:*
cpe:2.3:a:akaunting:akaunting:3.3.0:*:macos:*:*:*:*:*
cpe:2.3:a:akaunting:akaunting:3.3.0:*:windows:*:*:*:*:*
Vendors & Products Akaunting
Akaunting akaunting
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Akaunting Akaunting
cve-icon MITRE

Status: PUBLISHED

Assigner: Fluid Attacks

Published:

Updated: 2026-11-12T06:09:34.999Z

Reserved: 2026-10-28T16:41:38.774Z

Link: CVE-2026-118597

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-12T06:17:11.980

Modified: 2026-11-12T20:07:11.090

Link: CVE-2026-118597

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T14:00:03Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')