Cross-Site Scripting in Relevanssi Plugin for WordPress
CVE-2018-9034

5.4MEDIUM

Key Information:

Vendor

Wordpress
Status
Relevanssi
Vendor
CVE Published:
4 April 2018

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-9034?

The Relevanssi plugin version 4.0.4 for WordPress contains a Cross-Site Scripting (XSS) vulnerability due to improper handling of user input in the tab GET parameter. This weakness allows remote attackers to inject arbitrary JavaScript or HTML, which can lead to various malicious activities, including stealing user credentials or session hijacking. Website administrators are advised to update to the latest version to mitigate this risk.

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-2018-9034 - Proof of Concept

References

https://www.exploit-db.com/exploits/44366/
exploitx_refsource_EXPLOIT-DB

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

.