CVE-2023-28784 HIGH

CVE-2023-28784: WordPress Contest Gallery Plugin <= 21.1.2 is vulnerable to Cross Site Scripting (XSS)

Vendor Contest Gallery

Product Contest Gallery

Weakness CWE-79 · XSS

Published June 22, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Contest Gallery plugin <= 21.1.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Contest Gallery versions up to 21.1.2 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement of site content.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers to steal session tokens or credentials.

Potential impact on your site

04Site Impact

Visitors may have their sessions hijacked or credentials stolen if they click attacker-controlled links.

Conditions required to exploit

05Prerequisites

Attacker must trick a site visitor into clicking a malicious link (no authentication required).

Key dates

06Disclosure timeline

June 22, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-28784 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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