What is CVE-2018-11330?

CVE-2018-11330 is a medium-severity vulnerability in Pluck-Cms Pluck, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-05-21.

How severe is CVE-2018-11330?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Pluck-Cms Pluck

CVE-2018-11330

An issue was discovered in Pluck before 4.7.6. There is authenticated stored XSS because the character set for filenames is not properly restricted.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-05-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.8% 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: 0.006 · change: -0.000

Affected products

Pluck-Cms Pluck

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/pluck-cms/pluck/issues/58 (Patch, Third Party Advisory, Issue Tracking)
github.com/pluck-cms/pluck/commit/8f6541e60c9435e82e9c531a20cb3c218d36976e (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11330?: CVE-2018-11330 is a medium-severity vulnerability in Pluck-Cms Pluck, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-05-21.
How severe is CVE-2018-11330?: Medium severity. CVSS v3 base score is 4.8 out of 10.