CVE-2018-20465 — Craft CMS through 3.0.34 allows remote authenticated administrators to read sensitive information via server-side template injection, as demonstrated by a {% string for craft.app.config.DB.user and craft.app.config.DB.password in the URI Format of the Site Settings, which causes a cleartext username and password to be displayed in a URI field

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HIGH

Craft CMS through 3.0.34 allows remote authenticated administrators to read sensitive information via server-side template injection, as demonstrated by a {% string for craft.app.config.DB.user and craft.app.config.DB.password in the URI Format of the Site Settings, which causes a cleartext username and password to be displayed in a URI field

Published Dec 25, 2018

7.2

HIGH

CVSS 3.0

EPSS 1.53%

Description

Craft CMS through 3.0.34 allows remote authenticated administrators to read sensitive information via server-side template injection, as demonstrated by a {% string for craft.app.config.DB.user and craft.app.config.DB.password in the URI Format of the Site Settings, which causes a cleartext username and password to be displayed in a URI field.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.53% 0.01527

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01527

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.53% (0.01527)	73.77th	v5 (v2026.06.15)
Sep 20, 2026	1.53% (0.01527)	73.56th	v5 (v2026.06.15)
Jul 20, 2024	0.15% (0.00152)	51.87th	v3 (v2023.03.01)
Jun 13, 2024	0.15% (0.00152)	51.55th	v3 (v2023.03.01)
Mar 7, 2023	0.15% (0.00152)	49.53th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.78% (0.00785)	22.12th	v5 (v2026.06.15)
Apr 14, 2021	0.78% (0.00785)	0.00th	v1

Weaknesses (2)

CWE-1336

CWE-311

Missing Encryption of Sensitive Data

References (4)

https://github.com/advisories/GHSA-j7fx-v37j-v3w7
Advisory
https://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md
x_refsource_MISCRelease Notes
https://github.com/phuctam/Server-Side-Template-Injection-in-CraftCMS-/issues/1
x_refsource_MISCExploitThird Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2018-20465

Link	Providers	Tags
https://github.com/advisories/GHSA-j7fx-v37j-v3w7		Advisory
https://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md		x_refsource_MISCRelease Notes
https://github.com/phuctam/Server-Side-Template-Injection-in-CraftCMS-/issues/1		x_refsource_MISCExploitThird Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2018-20465