CVE-2023-30320

Name: CVE-2023-30320
Creator: NVD / NIST
Published: 2023-07-06T16:15:09.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2023-30320 is a critical-severity vulnerability rated 9/10 on the CVSS scale. Cross Site Scripting (XSS) vulnerability in textMessage field in /src/chatbotapp/chatWindow.java in wliang6 ChatEngine commit fded8e710ad59f816867ad47d7fc4862f6502f3e, allows attackers to execute arbitrary code.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9/10

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

EPSS Probability

0.88%

54.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Chatengine Project	Chatengine	1.0

References

Timeline

Published: Jul 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30320?

How severe is CVE-2023-30320?

CVE-2023-30320 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30320?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30320?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST