CVE-2018-13818
CVSS v3
9.8
CRITICAL
EPSS Score
6.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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
Technical details
- Published
- 2018-07-10
Frequently asked questions
What is CVE-2018-13818?
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
Is CVE-2018-13818 actively exploited?
Active exploitation of CVE-2018-13818 has not been confirmed. Its EPSS score was 6.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-13818?
CVE-2018-13818 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-13818 affecting your environment?
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