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Akaunting stored XSS in XLSX invoice import

Only affects Akaunting 3.3.0 when invoices are imported from XLSX files and linked to recurring invoices, and a victim opens the affected recurring invoice page. CVSS scores it 7 (high). The checked facts name no fixed version or patch ids.

CVE-2026-119275EUVD-2026-124567GHSA-Q7QM-3XXG-HFQG

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

7.0HighCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Specific setups only

Do first: Check whether your setup matches what the bug needs. Akaunting 3.3.0 An imported ordinary invoice is linked to a recurring invoice as its child A victim opens the affected recurring invoice detail page

Published
Last modified
Reference
Last checked
0.30% · 22nd percentile
20/100 · provisional
Specific setups only
None on Exploit-DB, Metasploit or GitHub

Summary

Akaunting 3.3.0 has a stored cross-site scripting flaw in its XLSX invoice-import feature: an attacker with a Manager account can import an invoice whose number contains HTML, and it runs in another user's browser when that user opens the linked recurring invoice. The attack is reached remotely over the network, but it requires the attacker to be logged in with Manager privileges and a victim to open the affected recurring invoice.

Read the original description

Akaunting 3.3.0 contains a stored cross-site scripting vulnerability in the XLSX invoice-import workflow. An authenticated Manager can import a child invoice whose invoice number contains HTML and is linked to a recurring invoice. When a victim opens that recurring invoice, Akaunting raw-renders the stored child number in an anchor, causing attacker-controlled markup to execute in the victim's browser.

Who should check

Teams running Akaunting 3.3.0 that let users import invoices from XLSX workbooks and use recurring invoices.

Read the source excerpt

“Akaunting 3.3.0 contains a stored XSS vulnerability in the XLSX invoice-import workflow.”

fluidattacks.com

cve.now Index

20Pcve.now Index 20 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure8/25Specific setups only, reachable over the network
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity7/10CVSS 7.0
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 70 if added to CISA KEV
  • Would score about 65 if CISA's SSVC rates exploitation active
  • Would score about 27 if CISA's SSVC rates it automatable

What to do

  • Check whether your setup matches what the bug needs.

    Akaunting 3.3.0 An imported ordinary invoice is linked to a recurring invoice as its child A victim opens the affected recurring invoice detail page
  • Workaround: Restrict invoice-import permission to trusted administrators, inspect existing document numbers for markup, and avoid opening recurring invoices with children imported from untrusted workbooks.

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-119275 (Akaunting 3.3.0 - Stored XSS through imported invoice numbers), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-119275 (entry last updated 2026-11-12):
Affected:
- Akaunting Akaunting: versions 3.3.0
Fixed versions: none listed yet.
Conditions (all must be true for the bug to be hit):
- Akaunting 3.3.0 (source: https://fluidattacks.com/advisories/soda)
- An imported ordinary invoice is linked to a recurring invoice as its child (source: https://fluidattacks.com/advisories/soda)
- A victim opens the affected recurring invoice detail page (source: https://fluidattacks.com/advisories/soda)
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
Attacker needs: network access, high-privilege login, a user action.
Workaround: Restrict invoice-import permission to trusted administrators, inspect existing document numbers for markup, and avoid opening recurring invoices with children imported from untrusted workbooks. (source: https://fluidattacks.com/advisories/soda)
CISA KEV: CVE-2026-119275 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-119275 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://fluidattacks.com/advisories/soda
- https://github.com/akaunting/akaunting
- https://github.com/akaunting/akaunting/blob/3.3.0/app/Imports/Sales/Invoices/Sheets/Invoices.php
- https://github.com/akaunting/akaunting/blob/3.3.0/resources/views/components/documents/show/children.blade.php
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-119275
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-119275"}.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Akaunting Akaunting

    3.3.0

Evidence 6

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 4

  1. Repository
  2. Repository
  3. Repository
  4. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-119275

Is CVE-2026-119275 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

What does this mean?

A document number in an imported XLSX invoice can contain markup that is inserted unescaped into the child link of a recurring invoice. When an authenticated victim opens that recurring invoice detail page, attacker-controlled JavaScript runs in their Akaunting session and can read data exposed to the browser and submit same-origin actions the victim is authorized to perform.Source: fluidattacks.com

Which versions are affected by CVE-2026-119275?

Akaunting: version 3.3.0.Source: cve.now feed data

Am I affected, and how do I check?

The advisory names Akaunting 3.3.0 and an ordinary invoice imported through the XLSX invoice-import workflow and linked to a recurring invoice as its child. Check whether the installed Akaunting version is 3.3.0; no other versions are named in the checked facts.Source: fluidattacks.com

How do I fix CVE-2026-119275?

The checked facts name no fixed version or vendor patch ids. The advisory's remedy is to escape document_number when constructing the child link and to avoid passing a prebuilt HTML string to a raw translation sink.Source: fluidattacks.com

What if there's no patch?

Restrict invoice-import permission to trusted administrators, inspect existing document numbers for markup, and avoid opening recurring invoices with children imported from untrusted workbooks.Source: fluidattacks.com