What is CVE-2018-20418?

CVE-2018-20418 is a medium-severity vulnerability in Craftcms Craft Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-12-24.

How severe is CVE-2018-20418?

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

Is CVE-2018-20418 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Craftcms Craft Cms

CVE-2018-20418

index.php?p=admin/actions/entries/save-entry in Craft CMS 3.0.25 allows XSS by saving a new title from the console tab.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.

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.

Affected products

Craftcms Craft_cms — versions 3.0.25
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

rdincel1/Craft-CMS-3.0.25---Cross-Site-Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2018-20418?: CVE-2018-20418 is a medium-severity vulnerability in Craftcms Craft Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-12-24.
How severe is CVE-2018-20418?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2018-20418 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.