# CVE-2023-53925: UliCMS 2023.1 Stored Cross-Site Scripting via SVG File Upload

> Attackers can upload malicious SVG files to execute arbitrary scripts in other users' browsers, potentially leading to account takeover.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 17 Dec 2025
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-w6g7-5cg4-mww6

## What is CVE-2023-53925?

CVE-2023-53925 is a medium-severity cross-site scripting vulnerability in Ulicms, published on 17 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

UliCMS 2023.1 contains a stored cross-site scripting vulnerability that allows attackers to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files through the file management interface that execute arbitrary scripts when viewed by other users.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-53925?

It affects 1 product.


Products: Ulicms Ulicms.

## How do I fix CVE-2023-53925?

No fix has been published for CVE-2023-53925 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-53925 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53925 exists.

## Other vulnerabilities in Ulicms

- [CVE-2023-53914](https://insights.sbomify.com/CVE-2023-53914/): UliCMS 2023.1 Authentication Bypass via Mass Assignment Vulnerability (critical 9.3)
- [CVE-2023-53923](https://insights.sbomify.com/CVE-2023-53923/): UliCMS 2023.1 Privilege Escalation via Unauthenticated Admin Account Creation (critical 9.3)
- [CVE-2023-53924](https://insights.sbomify.com/CVE-2023-53924/): UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload (high 8.7)
- [CVE-2020-12703](https://insights.sbomify.com/CVE-2020-12703/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2020-12704](https://insights.sbomify.com/CVE-2020-12704/): Cross-site scripting in n/a (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-53925 and fix it if it is affected.

What it is: CVE-2023-53925 is a medium-severity cross-site scripting vulnerability in Ulicms, published on 17 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53925 exists.

Affected product: Ulicms. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-53925/ (Markdown: https://insights.sbomify.com/CVE-2023-53925/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-53925
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-53925
- OSV: https://osv.dev/vulnerability/CVE-2023-53925

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-53925/
Summaries are generated and may contain mistakes; the official description above is the record.