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CVE-2026-40522— FrontAccounting < 2.4.20 SQL Injection via rep601.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之前版本存在安全漏洞，该漏洞源于银行对账单报告处理程序中存在SQL注入漏洞，可能导致经过身份验证的攻击者通过向PARAM_0 POST参数注入UNION SELECT有效载荷，利用未参数化的WHERE子句提取数据库中的任意数据，包括用户名、密码哈希和电子邮件地址。

CVSS 7.1 · High EPSS 0.23% · P13

Affected Version Matrix 2

VendorProduct Version RangeStatus
FrontAccounting FrontAccounting < 2.4.20 affected
894adaf71393e0ef6a04fe6036fcd2464050f590 unaffected
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I. Basic Information for CVE-2026-40522

Vulnerability Information
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Vulnerability Title
FrontAccounting < 2.4.20 SQL Injection via rep601.php
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
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之前版本存在安全漏洞，该漏洞源于银行对账单报告处理程序中存在SQL注入漏洞，可能导致经过身份验证的攻击者通过向PARAM_0 POST参数注入UNION SELECT有效载荷，利用未参数化的WHERE子句提取数据库中的任意数据，包括用户名、密码哈希和电子邮件地址。
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-2026-40522

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8184 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-40522

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Patches & Fixes for CVE-2026-40522 (1)

Vendor Advisories for CVE-2026-40522 (1)

Security Blog Posts for CVE-2026-40522 (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-2026-40523 8.1 HIGH FrontAccounting < 2.4.20 SQL Injection via reporting/rep710.php
CVE-2026-40524 8.1 HIGH FrontAccounting < 2.4.20 SQL Injection via get_gl_transactions()

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-40522

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