What is CVE-2018-14877?

CVE-2018-14877 is a medium-severity vulnerability in Weaselcms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-08-03.

How severe is CVE-2018-14877?

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

XSS in Weaselcms Project

CVE-2018-14877

An issue was discovered in WeaselCMS v0.3.5. XSS exists via Site Language, Site Title, Site Description, and Site Keywords on the SETTINGS page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-08-03 · 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: 0.005 (41.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weaselcms Project — versions 0.3.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/alterebro/WeaselCMS/issues/5 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-14877?: CVE-2018-14877 is a medium-severity vulnerability in Weaselcms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-08-03.
How severe is CVE-2018-14877?: Medium severity. CVSS v3 base score is 5.4 out of 10.