CVE-2023-30320

FAUCET Score

CVE-2023-30320 is a critical Cross-Site Scripting (XSS) vulnerability found in the textMessage field of the /src/chatbotapp/chatWindow.java component within the wliang6 ChatEngine project. With a CVSS score of 9.0, this vulnerability allows authenticated attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability, requiring user interaction. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		1.0CPE matchmatch criteria	cpe:2.3:a:chatengine_project:chatengine:1.0:::::::*

CVSS Data

CVSS version used by this source: 3.1

9.0CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.3

Impact Score

6.0

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.94%

Probability of exploitation in next 30 days

EPSS Percentile

57.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0094 is in the 65th percentile among its peer group of 265 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / wliang6/ChatEngine/blob/master/src/chatbotapp/chatWindow.java

Exploit

payatu.com / advisory/cross-site-scripting-xss-vulnerability-in-wliang6-chatengine-allows-attackers-execute-arbitrary-code

Third Party Advisory