CVE-2024-29686 Winter CMS Server-Side Template Injection (SSTI) vulnerability
Remote attackers with trusted user access can execute arbitrary code via Server-side Template Injection in Winter CMS pages and plugins.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-29686?
CVE-2024-29686 is a high-severity code injection vulnerability in n/a, published on 29 Mar 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-97
Which versions are affected by CVE-2024-29686?
2 open source packages ship an affected version, including wintercms/winter. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
wintercms/winter Packagist | All versions to 1.2.3 | None |
wintercms/winter Packagist | All versions to 1.2.3 | None |
Products include Wintercms Winter.
How do I fix CVE-2024-29686?
No fix has been published for CVE-2024-29686 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2024-29686 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-29686 exists.
Other vulnerabilities in n/a
- CVE-2026-27591 Winter: Privilege escalation by authenticated backend users
- CVE-2024-54149 Winter CMS Modules allows a sandbox bypass in Twig templates leading to data modification and deletion
- CVE-2022-39357 Winter vulnerable to Prototype Pollution in Snowboard framework
- CVE-2023-52085 Winter CMS Local File Inclusion through Server Side Template Injection
- CVE-2023-52083 Stored XSS through privileged upload of Media Manager file followed by renaming
Sources
Also known as GHSA-8r5j-gm3j-cx9c.