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Vulnerability record · CVE-2026-40523 · published 29 June 2026

CVE-2026-40523: SQL injection vulnerability

FrontAccounting before 2.4.20 contains a SQL injection vulnerability in the Audit Trail report handler that allows authenticated attackers with SA_GLANALYTIC permission to execute arbitrary SQL queries by injecting malicious code into the PARAM_2 and PARAM_3 POST parameters. Attackers can exploit time-based blind SQL injection through SLEEP() functions that are amplified across JOIN result sets to cause denial of service by exhausting database connections, or extract arbitrary database content through UNION-based injection techniques.

7.2 CVSS 4.0 High EPSS 0.47% · top 61.6% CWE-89 · SQL injection Deferred
7.2CVSS 4.0 base score
0.47%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 Audit Trail report handler that allows authenticated attackers with SA_GLANALYTIC permission to execute arbitrary SQL queries by injecting malicious code into the PARAM_2 and PARAM_3 POST parameters. Attackers can exploit time-based blind SQL injection through SLEEP() functions that are amplified across JOIN result sets to cause denial of service by exhausting database connections, or extract arbitrary database content through UNION-based injection techniques.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/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/647a18196caad27f96ea852e993c9e30f815357f
https://jivasecurity.com/writeups/frontaccounting-sqli-audit-trail-report-cve-2026-40523
https://sourceforge.net/p/frontaccounting/news/2026/04/release-2420/
https://www.vulncheck.com/advisories/frontaccounting-sql-injection-via-reporting-rep710-php

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Source: NIST National Vulnerability Database (record CVE-2026-40523), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.