CVE-2026-40522

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.

CVSS 4.0

7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-25)

CWEs

CWE-89, CWE-916

Published

2026-06-29

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

References

• https://github.com/FrontAccountingERP/FA/commit/894adaf71393e0ef6a04fe6036fcd2464050f590
• https://jivasecurity.com/writeups/frontaccounting-sqli-bank-statement-report-cve-2026-40522
• https://sourceforge.net/p/frontaccounting/news/2026/04/release-2420/
• https://www.vulncheck.com/advisories/frontaccounting-sql-injection-via-rep601-php

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