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CVE-2021-37211— Larvata Digital Technology Co. Ltd. FLYGO - Stored XSS

Quick assessment

Affected
Larvata Digital Technology Co. Ltd. FLYGO
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.

Larvata Flygo是台湾Larvata公司的一款出勤打卡软件。 Larvata Flygo 存在跨站脚本漏洞，该漏洞源于Flygo的公告功能在添加新公告时不过滤特殊字符。远程攻击者可利用该漏洞和普通用户的凭证来注入JavaScript并执行存储的XSS攻击。

CVSS 5.4 · Medium EPSS 0.46% · P39
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I. Basic Information for CVE-2021-37211

Vulnerability Information
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Vulnerability Title
Larvata Digital Technology Co. Ltd. FLYGO - Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The bulletin function of Flygo does not filter special characters while a new announcement is added. Remoter attackers can use the vulnerability with general user’s credential to inject JavaScript and execute stored XSS attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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
Larvata Flygo 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Larvata Flygo是台湾Larvata公司的一款出勤打卡软件。 Larvata Flygo 存在跨站脚本漏洞，该漏洞源于Flygo的公告功能在添加新公告时不过滤特殊字符。远程攻击者可利用该漏洞和普通用户的凭证来注入JavaScript并执行存储的XSS攻击。
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
Larvata Digital Technology Co. Ltd. FLYGO unspecified ~ 2021.4e -

II. Public POCs for CVE-2021-37211

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III. Intelligence Information for CVE-2021-37211

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Other References for CVE-2021-37211 (1)

Same Patch Batch · Larvata Digital Technology Co. Ltd. · 2021-08-09 · 5 CVEs total

CVE-2021-37214 8.8 HIGH Larvata Digital Technology Co. Ltd. FLYGO - Use of Incorrectly-Resolved Name or Reference-
CVE-2021-37212 5.4 MEDIUM Larvata Digital Technology Co. Ltd. FLYGO - Use of Incorrectly-Resolved Name or Reference-
CVE-2021-37213 4.3 MEDIUM Larvata Digital Technology Co. Ltd. FLYGO - Use of Incorrectly-Resolved Name or Reference-
CVE-2021-37215 4.3 MEDIUM Larvata Digital Technology Co. Ltd. FLYGO - Use of Incorrectly-Resolved Name or Reference-

IV. Related Vulnerabilities

Same product: FLYGO
Same vendor: Larvata Digital Technology Co. Ltd.
Same weakness: CWE-79

V. Comments for CVE-2021-37211

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