What is CVE-2022-45539?

CVE-2022-45539 is a medium-severity vulnerability in Eyoucms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-20.

How severe is CVE-2022-45539?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-45539 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Eyoucms

CVE-2022-45539

EyouCMS <= 1.6.0 was discovered a reflected-XSS in FileManager component in GET value "activepath" when creating a new file.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.8th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% 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

Eyoucms

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

github.com/weng-xianhu/eyoucms/issues/38 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-45539?: CVE-2022-45539 is a medium-severity vulnerability in Eyoucms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-20.
How severe is CVE-2022-45539?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-45539 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.