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Vulnerability record · CVE-2026-40522 · published 29 June 2026

CVE-2026-40522: SQL injection vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.23% · top 87.3% CWE-89 · SQL injectionCWE-916 · CWE-916 Deferred
7.1CVSS 4.0 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
29 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-40522), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.