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CVE-2026-40523— FrontAccounting < 2.4.20 SQL Injection via reporting/rep710.php

Quick assessment

Affected
FrontAccounting FrontAccounting
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

frontaccounting是frontaccounting团队开源的一款会计管理软件。 FrontAccounting 2.4.20之前版本存在SQL注入漏洞，该漏洞源于Audit Trail报告处理器存在SQL注入漏洞，允许已认证的攻击者通过特制的POST参数PARAM_2和PARAM_3执行任意SQL查询，可能导致基于时间的盲SQL注入，通过SLEEP()函数利用JOIN结果集放大，耗尽数据库连接造成拒绝服务，或通过UNION注入技术提取任意数据库内容。

CVSS 8.1 · High EPSS 0.47% · P40

Affected Version Matrix 2

VendorProduct Version RangeStatus
FrontAccounting FrontAccounting < 2.4.20 affected
647a18196caad27f96ea852e993c9e30f815357f unaffected
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I. Basic Information for CVE-2026-40523

Vulnerability Information
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Vulnerability Title
FrontAccounting < 2.4.20 SQL Injection via reporting/rep710.php
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
FrontAccounting SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
frontaccounting是frontaccounting团队开源的一款会计管理软件。 FrontAccounting 2.4.20之前版本存在SQL注入漏洞，该漏洞源于Audit Trail报告处理器存在SQL注入漏洞，允许已认证的攻击者通过特制的POST参数PARAM_2和PARAM_3执行任意SQL查询，可能导致基于时间的盲SQL注入，通过SLEEP()函数利用JOIN结果集放大，耗尽数据库连接造成拒绝服务，或通过UNION注入技术提取任意数据库内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FrontAccounting FrontAccounting 0 ~ 2.4.20 -

II. Public POCs for CVE-2026-40523

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 10101 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-40523

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Patches & Fixes for CVE-2026-40523 (1)

Security Blog Posts for CVE-2026-40523 (1)

Other References for CVE-2026-40523 (1)

Same Patch Batch · FrontAccounting · 2026-06-29 · 4 CVEs total

CVE-2026-40521 8.8 HIGH FrontAccounting < 2.4.20 Path Traversal RCE via attachment upload
CVE-2026-40524 8.1 HIGH FrontAccounting < 2.4.20 SQL Injection via get_gl_transactions()
CVE-2026-40522 7.1 HIGH FrontAccounting < 2.4.20 SQL Injection via rep601.php

IV. Related Vulnerabilities

Same product: FrontAccounting
Same vendor: FrontAccounting
Same weakness: CWE-89

V. Comments for CVE-2026-40523

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