What is CVE-2023-49490?

CVE-2023-49490 is a medium-severity vulnerability in Xunruicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-12-11.

How severe is CVE-2023-49490?

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

XSS in Xunruicms

CVE-2023-49490

XunRuiCMS v4.5.5 was discovered to contain a reflective cross-site scripting (XSS) vulnerability via the component /admin.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-12-11 · 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 (36.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% 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

Xunruicms — versions 4.5.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/dayrui/xunruicms/issues/2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-49490?: CVE-2023-49490 is a medium-severity vulnerability in Xunruicms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-12-11.
How severe is CVE-2023-49490?: Medium severity. CVSS v3 base score is 6.1 out of 10.