Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-3693— Cross-site Scripting (XSS) - DOM in ledgersmb/ledgersmb

Quick assessment

Affected
ledgersmb ledgersmb/ledgersmb
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LedgerSMB是一个免费的基于网络的复式记账系统，具有报价、订购、发票、项目、考勤卡、库存管理、运输等功能。 LedgerSMB 存在安全漏洞，该漏洞源于应用不会检查合并到浏览器 DOM 中的 HTML 片段的来源。通过向经过身份验证的用户发送特制的 URL，可以利用此漏洞进行远程代码执行和信息泄露。

CVSS 8.8 · High EPSS 3.01% · P86
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-3693

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cross-site Scripting (XSS) - DOM in ledgersmb/ledgersmb
Source: CVE Program / CVE List V5
Vulnerability Description
LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
LedgerSMB 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LedgerSMB是一个免费的基于网络的复式记账系统，具有报价、订购、发票、项目、考勤卡、库存管理、运输等功能。 LedgerSMB 存在安全漏洞，该漏洞源于应用不会检查合并到浏览器 DOM 中的 HTML 片段的来源。通过向经过身份验证的用户发送特制的 URL，可以利用此漏洞进行远程代码执行和信息泄露。
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
ledgersmb ledgersmb/ledgersmb 1.7.33 -

II. Public POCs for CVE-2021-3693

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-3693

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-3693 (2)

Same Patch Batch · ledgersmb · 2021-08-23 · 3 CVEs total

CVE-2021-3694 8.2 HIGH Cross-site Scripting (XSS) - Reflected in ledgersmb/ledgersmb
CVE-2021-3731 5.9 MEDIUM Improper Restriction of Rendered UI Layers or Frames in ledgersmb/ledgersmb

IV. Related Vulnerabilities

Same product: ledgersmb/ledgersmb
Same vendor: ledgersmb
Same weakness: CWE-79

V. Comments for CVE-2021-3693

No comments yet

Leave a comment