CVE-2026-40522

high

Description

FrontAccounting before 2.4.20 contains a SQL injection vulnerability in the Bank Statement report handler that allows authenticated attackers to extract arbitrary database data by injecting UNION SELECT payloads into the PARAM_0 POST parameter. Attackers can supply malicious SQL syntax through the unparameterized WHERE clause to retrieve sensitive information including usernames, password hashes, and email addresses from the users table, rendered into PDF report output.

References

https://www.vulncheck.com/advisories/frontaccounting-sql-injection-via-rep601-php

https://sourceforge.net/p/frontaccounting/news/2026/04/release-2420/

https://jivasecurity.com/writeups/frontaccounting-sqli-bank-statement-report-cve-2026-40522

https://github.com/FrontAccountingERP/FA/commit/894adaf71393e0ef6a04fe6036fcd2464050f590

Details

Source: Mitre, NVD

Published: 2026-06-29

Updated: 2026-06-29

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:P/A:N

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Severity: High

CVSS v4

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.00148