GS Insever Portfolio < 1.4.5 - Contributor+ Stored XSS
CVE-2023-0539

5.4MEDIUM

Key Information:

Vendor

Wordpress
Status
Gs Insever Portfolio
Vendor
CVE Published:
27 February 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-0539?

The GS Insever Portfolio WordPress plugin before 1.4.5 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

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Deploy the Patch

Affected Version(s)

GS Insever Portfolio 0 < 1.4.5

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-2023-0539 - Proof of Concept

References

https://wpscan.com/vulnerability/a4b6a83a-6394-4dfc-8bb3-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lana Codes
WPScan
JSON
.