Is CVE-2018-13818 in the CISA KEV catalog?

No. CVE-2018-13818 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-13818?

CVE-2018-13818 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-13818?

CVE-2018-13818 has an EPSS score of 6.99% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-13818?

Upgrade twig to 2.4.4 or later.

CVE & CISA-KEV Catalog

CVE-2018-13818

CRITICALEPSS 93th pctl

9.8

CVSS v3

NVD

Description

Twig before 2.4.4 allows Server-Side Template Injection (SSTI) via the search search_key parameter. NOTE: the vendor points out that Twig itself is not a web application and states that it is the responsibility of web applications using Twig to properly wrap input to it

CWE-94Code Injection

How to fix

Remediation Available

twigNVD

Affected:< 2.4.4Fixed in:2.4.4CVE-2018-13818derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.99%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch1

github.com

Exploit3

Release Notes1

github.com

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.