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CVE-2018-20465

23
FAUCET Score

CVE-2018-20465 is a server-side template injection vulnerability affecting Craft CMS through version 3.0.34. This flaw allows remote authenticated administrators to read sensitive information, specifically database credentials, by injecting template code into the URI Format of Site Settings. With a CVSS score of 7.2 (High), this vulnerability has a low attack complexity and can lead to high confidentiality, integrity, and availability impacts. There is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.34CPE matchmatch criteria
cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.2HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.53%
Probability of exploitation in next 30 days
EPSS Percentile
72.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0153 is in the 66th percentile among its peer group of 5,538 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

composerGHSA-j7fx-v37j-v3w7high

Craft CMS Vulnerable to Server-Side Template Injection

May 13, 2022

References

github.com / craftcms/cms/blob/master/CHANGELOG-v3.md
Release Notes
github.com / phuctam/Server-Side-Template-Injection-in-CraftCMS-/issues/1
ExploitThird Party Advisory