CVE-2018-13818

Name: CVE-2018-13818
Creator: NVD / NIST
Published: 2018-07-10T14:29:00.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.99%

Last modified Jun 17, 2026

CVE-2018-13818 is a vulnerability of currently unknown severity. 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. EPSS estimates a 6.99% chance of exploitation in the next 30 days.

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

Metrics

EPSS Probability

6.99%

93.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Symfony	Twig	< 2.4.4

References

https://github.com/twigphp/Twig/blob/2.x/CHANGELOGRelease Notes
https://github.com/twigphp/Twig/commit/eddb97148ad779f27e670e1e3f19fb323aedafebPatch, Third Party Advisory
https://github.com/twigphp/Twig/issues/2743Exploit, Third Party Advisory
https://mobile.twitter.com/jameel_nabbo/status/1032593354704515072?s=20Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/44102/Exploit, Third Party Advisory, VDB Entry
https://github.com/twigphp/Twig/blob/2.x/CHANGELOGRelease Notes
https://github.com/twigphp/Twig/commit/eddb97148ad779f27e670e1e3f19fb323aedafebPatch, Third Party Advisory
https://github.com/twigphp/Twig/issues/2743Exploit, Third Party Advisory
https://mobile.twitter.com/jameel_nabbo/status/1032593354704515072?s=20Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/44102/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Jul 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-13818?

How severe is CVE-2018-13818?

Severity scoring for CVE-2018-13818 is pending analysis. The EPSS model estimates a 6.99% probability of exploitation in the next 30 days.

How do I fix CVE-2018-13818?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-13818?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST