CVE-2024-29686

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-03-29 · updated 2026-06-17
Weakness: CWE-97

Description

Server-side Template Injection (SSTI) vulnerability in Winter CMS v.1.2.3 allows a remote attacker to execute arbitrary code via a crafted payload to the CMS Pages field and Plugin components. NOTE: the vendor disputes this because the payload could only be entered by a trusted user, such as the owner of the server that hosts Winter CMS, or a developer working for them.

Affected products

wintercms winter: 1.2.3

References

https://forum.ksec.co.uk/t/webapps-winter-cms-1-2-3-server-side-template-injection-ssti-authenticated/2779
https://wintercms.com/docs/v1.2/docs/cms/themes#template-structure
https://www.exploit-db.com/exploits/51893
https://forum.ksec.co.uk/t/webapps-winter-cms-1-2-3-server-side-template-injection-ssti-authenticated/2779
https://wintercms.com/docs/v1.2/docs/cms/themes#template-structure
https://www.exploit-db.com/exploits/51893

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