Dev Blog v1.0 - ATO

9.1

Critical

Discovered by 

Carlos Bello

Offensive Team, Fluid Attacks

Summary

Full name

Dev Blog v1.0 - Account Takeover

Code name

State

Public

Release date

Apr 10, 2023

Affected product

Dev Blog

Affected version(s)

v1.0

Vulnerability name

Account Takeover (ATO)

Vulnerability type

Remotely exploitable

Yes

CVSS v3.1 vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 base score

9.1

Exploit available

Yes

CVE ID(s)

Description

Dev blog v1.0 allows to exploit an account takeover through the "user" cookie. With this, an attacker can access any user's session just by knowing their username.

Vulnerability

An account takeover has been identified in Dev blog, which allows an attacker to hijack the session of arbitrary users as long as he knows the respective username of the victim.

Evidence of exploitation

Our security policy

We have reserved the ID CVE-2023-6144 to refer to this issue from now on. Disclosure policy

System Information

  • Version: Dev Blog v1.0

  • Operating System: MacOS

Mitigation

There is currently no patch available for this vulnerability.

References

Timeline

Vulnerability discovered

Nov 14, 2023

Vendor Confirmed Vuln.

Nov 14, 2023

Vendor contacted

Nov 14, 2023

Public disclosure

Nov 15, 2023

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Fluid Attacks' solutions enable organizations to identify, prioritize, and remediate vulnerabilities in their software throughout the SDLC. Supported by AI, automated tools, and pentesters, Fluid Attacks accelerates companies' risk exposure mitigation and strengthens their cybersecurity posture.

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© 2025 Fluid Attacks. We hack your software.

Fluid Attacks' solutions enable organizations to identify, prioritize, and remediate vulnerabilities in their software throughout the SDLC. Supported by AI, automated tools, and pentesters, Fluid Attacks accelerates companies' risk exposure mitigation and strengthens their cybersecurity posture.

SOC 2 Type II

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