Sloth Logo Customizer <= 2.0.2 - Stored XSS via CSRF
CVE-2023-0603

8.8HIGH

Key Information:

Vendor

Wordpress
Status
Sloth Logo Customizer
Vendor
CVE Published:
8 May 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-0603?

The Sloth Logo Customizer plugin for WordPress lacks proper CSRF checks when users attempt to update its settings. This oversight, combined with insufficient sanitization and escaping processes, could enable malicious actors to exploit the vulnerability by injecting Stored XSS payloads through CSRF attacks. Attackers can leverage this flaw to execute unauthorized commands within the context of authenticated administrative users, posing significant risks to website security.

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Deploy the Patch

Affected Version(s)

Sloth Logo Customizer 0 <= 2.0.2

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-2023-0603 - Proof of Concept

References

https://wpscan.com/vulnerability/1c93ea8f-4e68-4da1-994e-...
exploitvdb-entrytechnical-description

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nithissh Sathish
WPScan
JSON
.