How severe is CVE-2018-17886?

CVE-2018-17886 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-17886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17886?

CVE-2018-17886 affects Jeesns. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17886?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-17886 published?

CVE-2018-17886 was published on 2018-10-02 and last updated on 2026-06-17.

CVE-2018-17886

CVE-2018-17886 is a medium-severity vulnerability in Jeesns with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jeesns
Published: 2018-10-02
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-17886?: CVE-2018-17886 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-17886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17886?: CVE-2018-17886 affects Jeesns. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-17886 published?: CVE-2018-17886 was published on 2018-10-02 and last updated on 2026-06-17.

References

https://github.com/Jayl1n/CVE/blob/master/jeesns/jeesns-1.3-xss-filter-bypass.md

Affected products (1)

cpe:2.3:a:jeesns:jeesns:1.3:*:*:*:*:*:*:*

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