CVE-2023-28620 MEDIUM

CVE-2023-28620: WordPress Cyberus Key Plugin <= 1.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Cyberus Labs

Product Cyberus Key

Weakness CWE-79 · XSS

Published June 13, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.9/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Cyberus Labs Cyberus Key plugin <= 1.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Cyberus Key versions up to 1.0 contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and can affect other users' sessions. An attacker with high-level privileges can inject code that executes in victims' browsers, potentially stealing session data or performing actions on their behalf.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers and steal session data or perform unauthorized actions.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject scripts affecting other users' sessions and data integrity.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrative privileges and the victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

June 13, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-28620 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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