CVE-2023-52083 Stored XSS through privileged upload of Media Manager file followed by renaming
Privileged users can execute stored XSS by renaming uploaded files, allowing attackers to inject malicious scripts into the Winter CMS interface.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-52083?
CVE-2023-52083 is a low-severity cross-site scripting vulnerability in wintercms winter, published on 28 Dec 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Winter is a free, open-source content management system. Prior to 1.2.4, users with the `media.manage_media` permission can upload files to the Media Manager and rename them after uploading. Previously, media manager files were only sanitized on upload, not on renaming, which could have allowed a stored XSS attack. This issue has been patched in v1.2.4.
Weakness: CWE-79
Which versions are affected by CVE-2023-52083?
2 open source packages ship an affected version, including winter/wn-system-module. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
winter/wn-system-module Packagist | All versions | 1.2.4 |
winter/wn-system-module Packagist | All versions | 1.2.4 |
Products include Wintercms Winter.
How do I fix CVE-2023-52083?
Upgrade winter/wn-system-module to 1.2.4 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-52083 being exploited?
There is no known exploitation of CVE-2023-52083 in the wild and no public exploit code.
Other vulnerabilities in wintercms winter
- 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-2024-29686 Winter CMS Server-Side Template Injection (SSTI) vulnerability
- CVE-2023-52085 Winter CMS Local File Inclusion through Server Side Template Injection
Sources
Also known as GHSA-4wvw-75qh-fqjp.