Happyforms < 1.22.0 - Contributor+ Stored XSS
CVE-2023-0096

5.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Form Builder To Get In Touch With Visitors, Grow Your Email List And Collect Payments — Happyforms
Vendor
CVE Published:
6 February 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The Happyforms WordPress plugin before 1.22.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected Version(s)

Form builder to get in touch with visitors, grow your email list and collect payments — Happyforms 0 < 1.22.0

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-2023-0096 - Proof of Concept

References

https://wpscan.com/vulnerability/b28150e7-214b-4bcd-85c0-...
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
.