What is CVE-2022-4421?

CVE-2022-4421 is a low-severity vulnerability in Rathena Fluxcp, classified under CWE-707. CVSS score: 3.5/10. Published 2022-12-12.

How severe is CVE-2022-4421?

Low severity. CVSS v3 base score is 3.5 out of 10.

XSS in Rathena Fluxcp

CVE-2022-4421

A vulnerability was found in rAthena FluxCP. It has been classified as problematic. Affected is an unknown function of the file themes/default/servicedesk/view.php of the component Service Desk Image URL Handler. The manipulation of the argument sslink leads to cross site scripting. It is possible to launch the attack remotely. The name of the patch is 8a39b2b2bf28353b3503ff1421862393db15aa7e. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-215304.

Published 2022-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.5% 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

Rathena Fluxcp

Weakness classification (CWE)

References

github.com/rathena/FluxCP/commit/8a39b2b2bf28353b3503ff1421862393db15aa7e (Patch, Third Party Advisory)
vuldb.com/ (Third Party Advisory)

Frequently asked questions

What is CVE-2022-4421?: CVE-2022-4421 is a low-severity vulnerability in Rathena Fluxcp, classified under CWE-707. CVSS score: 3.5/10. Published 2022-12-12.
How severe is CVE-2022-4421?: Low severity. CVSS v3 base score is 3.5 out of 10.