What is CVE-2024-34909?

CVE-2024-34909 is a medium-severity vulnerability in Kykms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-05-15.

How severe is CVE-2024-34909?

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

XSS in Kykms

CVE-2024-34909

An arbitrary file upload vulnerability in KYKMS v1.0.1 and below allows attackers to execute arbitrary code via uploading a crafted PDF file.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-05-15 · 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: 0.005 (37.3th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Kykms

Weakness classification (CWE)

References

github.com/Joying-C/Cross-site-scripting-vulnerability/tree/main/KYKMS_Cross_si… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-34909?: CVE-2024-34909 is a medium-severity vulnerability in Kykms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-05-15.
How severe is CVE-2024-34909?: Medium severity. CVSS v3 base score is 5.4 out of 10.