CVE-2023-24391 MEDIUM

CVE-2023-24391: WordPress ApplyOnline – Application Form Builder and Manager Plugin <= 2.5 is vulnerable to Cross Site Scripting (XSS)

Vendor Spider Teams

Product ApplyOnline

Weakness CWE-79 · XSS

Published August 10, 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 Spider Teams ApplyOnline plugin <= 2.5 versions.

Explanation of Vulnerability in Simple Terms

02Summary

ApplyOnline versions 2.5 and earlier contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically a victim clicking a crafted link—and can affect other users' sessions and data. The impact is limited to low-severity confidentiality, integrity, and availability breaches.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they visit a crafted page.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject scripts affecting other admins or users, potentially leading to session hijacking or data theft.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

August 10, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-24391 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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