What is CVE-2022-38545?

CVE-2022-38545 is a critical-severity vulnerability in Valine.js Valine, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2022-09-19.

How severe is CVE-2022-38545?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Is CVE-2022-38545 known to be exploited?

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

XSS in Valine.js Valine

CVE-2022-38545

Valine v1.4.18 was discovered to contain a remote code execution (RCE) vulnerability which allows attackers to execute arbitrary code via a crafted POST request.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-09-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.335 (98.3th percentile), scored 2026-10-02.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.329 · newest: 0.335 · change: +0.006

Affected products

Valine.js Valine — versions 1.4.18

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

github.com/xCss/Valine/issues/400 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-38545?: CVE-2022-38545 is a critical-severity vulnerability in Valine.js Valine, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2022-09-19.
How severe is CVE-2022-38545?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2022-38545 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.