What’s Vulnerable › Vulnerabilities

CVE-2018-13818

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-07-10 · updated 2026-06-17
• Weakness: CWE-94

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

Affected products

• twigphp Twig: before 2.4.4 — fixed in 2.4.4

How to fix

Upgrade to a fixed version: twigphp Twig 2.4.4. Check the vendor advisory for mitigations.

References

• https://github.com/twigphp/Twig/blob/2.x/CHANGELOG
• https://github.com/twigphp/Twig/commit/eddb97148ad779f27e670e1e3f19fb323aedafeb
• https://github.com/twigphp/Twig/issues/2743
• https://mobile.twitter.com/jameel_nabbo/status/1032593354704515072?s=20
• https://www.exploit-db.com/exploits/44102/
• https://github.com/twigphp/Twig/blob/2.x/CHANGELOG
• https://github.com/twigphp/Twig/commit/eddb97148ad779f27e670e1e3f19fb323aedafeb
• https://github.com/twigphp/Twig/issues/2743
• https://mobile.twitter.com/jameel_nabbo/status/1032593354704515072?s=20
• https://www.exploit-db.com/exploits/44102/

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