Memberlite Shortcodes < 1.3.9 - Contributor+ Stored XSS via Shortcode
CVE-2023-5237

5.4MEDIUM

Key Information:

Vendor

Wordpress
Status
Memberlite Shortcodes
Vendor
CVE Published:
31 October 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-5237?

The Memberlite Shortcodes WordPress plugin before 1.3.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin.

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Deploy the Patch

Affected Version(s)

Memberlite Shortcodes 0 < 1.3.9

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-2023-5237 - Proof of Concept

References

https://wpscan.com/vulnerability/a46d686c-6234-4aa8-a656-...
exploitvdb-entrytechnical-description
https://research.cleantalk.org/cve-2023-5237-memberlite-s...

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

Dmitrii Ignatyev
WPScan
JSON
.