CVE-2023-30319 json
Cross Site Scripting (XSS) vulnerability in username field in /src/chatbotapp/LoginServlet.java in wliang6 ChatEngine commit fded8e710ad59f…
published 2023-07-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34742
- cvss
- 9.6
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
Cross Site Scripting (XSS) vulnerability in username field in /src/chatbotapp/LoginServlet.java in wliang6 ChatEngine commit fded8e710ad59f816867ad47d7fc4862f6502f3e, allows attackers to execute arbitrary code.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/wliang6/ChatEngine/blame/fded8e710ad59f816867ad47d7fc4862f6502f3e/src/chatbotapp/LoginServlet.java#L30:L40 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2023-30319
- NVD CVE-2023-30319
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.