What is CVE-2023-33394?

CVE-2023-33394 is a medium-severity vulnerability in Skycaiji, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-26.

How severe is CVE-2023-33394?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Skycaiji

CVE-2023-33394

skycaiji v2.5.4 is vulnerable to Cross Site Scripting (XSS). Attackers can achieve backend XSS by deploying malicious JSON data.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-05-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Skycaiji — versions 2.5.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wanheiqiyihu.top/2023/05/02/skycaiji-v2-5-4-has-a-backend-xss-vulnerability/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33394?: CVE-2023-33394 is a medium-severity vulnerability in Skycaiji, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-26.
How severe is CVE-2023-33394?: Medium severity. CVSS v3 base score is 5.4 out of 10.