CVE-2023-30321

Cross Site Scripting (XSS) vulnerability in textMessage field in /src/chatbotapp/LoginServlet...

9.0 Critical

Cross Site Scripting (XSS) vulnerability in textMessage field in /src/chatbotapp/LoginServlet.java in wliang6 ChatEngine commit fded8e710ad59f816867ad47d7fc4862f6502f3e, allows attackers to execute arbitrary code.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.94%Up 0.9 points since Jul 7, 2023

What each source reports

NVD Score used 9.0

Record: CVE-2023-30321
CVSS 3.1: 9.0 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-30321
Updated: 2026-11-02

EUVDEUVD-2023-34744 No score

Record: EUVD-2023-34744
Updated: 2026-11-03

GitHub AdvisoriesGHSA-w663-c34c-q8hv 9.0

Cross Site Scripting (XSS) vulnerability in textMessage field in /src/chatbotapp/LoginServlet...

Record: GHSA-w663-c34c-q8hv
CVSS 3.1: 9.0 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

Affected products

chatengine project chatengine

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-30321 is a critical vulnerability (CVSS 9.0) in Chatengine Project Chatengine, published July 6, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. No source names a fixed version.