What is CVE-2018-17886?

CVE-2018-17886 is a medium-severity vulnerability in Jeesns, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-10-02.

How severe is CVE-2018-17886?

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

XSS in Jeesns

CVE-2018-17886

An issue was discovered in JEESNS 1.3. The XSS filter in com.lxinet.jeesns.core.utils.XssHttpServletRequestWrapper.java could be bypassed, as demonstrated by a <svg/onLoad=confirm substring. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-12429.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-10-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Jeesns — versions 1.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/Jayl1n/CVE/blob/master/jeesns/jeesns-1.3-xss-filter-bypass.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-17886?: CVE-2018-17886 is a medium-severity vulnerability in Jeesns, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-10-02.
How severe is CVE-2018-17886?: Medium severity. CVSS v3 base score is 5.4 out of 10.