CSV Injection Vulnerability in Dirsearch by Mauro Soria
CVE-2021-47901

5.1MEDIUM

Key Information:

Vendor

Maurosoria

Status
Dirsearch
Vendor
CVE Published:
27 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47901?

Dirsearch version 0.4.1 is susceptible to a CSV injection vulnerability when utilizing the --csv-report flag. This could enable attackers to exploit crafted server redirects that include comma-separated paths with embedded Excel formulas. As a result, malicious users can potentially manipulate the output of the generated CSV reports, posing risks to data integrity and confidentiality.

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Affected Version(s)

dirsearch 0.4.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47901 - Proof of Concept

References

https://www.exploit-db.com/exploits/49370
exploit
https://github.com/maurosoria/dirsearch
product
https://www.vulncheck.com/advisories/dirsearch-csv-injection
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dolev Farhi
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