Bootstrap Shortcodes <= 3.4.0 - Contributor+ Stored XSS via Shortcode
CVE-2022-4777

5.4MEDIUM

Key Information:

Vendor

Wordpress
Status
Bootstrap Shortcodes
Vendor
CVE Published:
21 February 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-4777?

The Bootstrap Shortcodes WordPress plugin through 3.4.0 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)

Bootstrap Shortcodes 0 <= 3.4.0

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-2022-4777 - Proof of Concept

References

https://wpscan.com/vulnerability/b4c53bef-e868-46f1-965d-...
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
.