How severe is CVE-2023-30320?

CVE-2023-30320 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-30320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30320?

CVE-2023-30320 affects Chatengine Project Chatengine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30320?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-30320 published?

CVE-2023-30320 was published on 2023-07-06 and last updated on 2026-06-17.

CVE-2023-30320

CVE-2023-30320 is a critical-severity vulnerability in Chatengine Project Chatengine with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Chatengine Project Chatengine
Published: 2023-07-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-30320?: Cross Site Scripting (XSS) vulnerability in textMessage field in /src/chatbotapp/chatWindow.java in wliang6 ChatEngine commit fded8e710ad59f816867ad47d7fc4862f6502f3e, allows attackers to execute arbitrary code.
How severe is CVE-2023-30320?: CVE-2023-30320 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-30320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30320?: CVE-2023-30320 affects Chatengine Project Chatengine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30320?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-30320 published?: CVE-2023-30320 was published on 2023-07-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chatengine_project:chatengine:1.0:*:*:*:*:*:*:*

More vulnerabilities in Chatengine Project Chatengine

CVE-2023-30319 — Critical (CVSS 9.6): Cross Site Scripting (XSS) vulnerability in username field in /src/chatbotapp/LoginServlet.java in wliang6 ChatEngine…
CVE-2023-30321 — Critical (CVSS 9.0): Cross Site Scripting (XSS) vulnerability in textMessage field in /src/chatbotapp/LoginServlet.java in wliang6…
CVE-2023-30325 — High (CVSS 7.5): SQL Injection vulnerability in textMessage parameter in /src/chatbotapp/chatWindow.java in wliang6 ChatEngine v.1.0,…
CVE-2023-30323 — High (CVSS 7.5): SQL Injection vulnerability in username field in /src/chatbotapp/chatWindow.java in Payatu ChatEngine v.1.0, allows…
CVE-2023-30326 — Medium (CVSS 6.1): Cross Site Scripting (XSS) vulnerability in username field in /WebContent/WEB-INF/lib/chatbox.jsp in wliang6 ChatEngine…
CVE-2023-30322 — Medium (CVSS 5.4): Cross Site Scripting (XSS) vulnerability in username field in /src/chatbotapp/chatWindow.java in Payatu ChatEngine…

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