# CVE-2025-15375: EyouCMS arcpagelist Ajax.php unserialize deserialization

> Remote attackers can achieve code execution via unsafe deserialization in the arcpagelist handler of EyouCMS.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Dec 2025
- **Updated:** 24 Feb 2026
- **Also known as:** GHSA-vwg9-2rf4-w4xc

## What is CVE-2025-15375?

CVE-2025-15375 is a medium-severity unsafe deserialization vulnerability in Eyoucms Eyoucms, published on 31 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A flaw has been found in EyouCMS up to 1.7.7. The impacted element is the function unserialize of the file application/api/controller/Ajax.php of the component arcpagelist Handler. Executing a manipulation of the argument attstr can lead to deserialization. The attack can be launched remotely. The exploit has been published and may be used. The vendor is "[a]cknowledging the existence of the vulnerability, we have completed the fix and will release a new version, v1.7.8".

Weakness: CWE-502 (Deserialization of Untrusted Data), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2025-15375?

It affects 1 product.


Products: Eyoucms Eyoucms.

## How do I fix CVE-2025-15375?

No fix has been published for CVE-2025-15375 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-15375 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15375 exists.

## Other vulnerabilities in Eyoucms Eyoucms

- [CVE-2023-42286](https://insights.sbomify.com/CVE-2023-42286/): File upload in n/a (critical 9.8)
- [CVE-2022-26273](https://insights.sbomify.com/CVE-2022-26273/): Business logic in n/a (critical 9.8)
- [CVE-2022-26279](https://insights.sbomify.com/CVE-2022-26279/): Missing authorization in n/a (critical 9.8)
- [CVE-2020-24000](https://insights.sbomify.com/CVE-2020-24000/): SQL injection in n/a (critical 9.8)
- [CVE-2021-39497](https://insights.sbomify.com/CVE-2021-39497/): Server-side request forgery in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-15375 and fix it if it is affected.

What it is: CVE-2025-15375 is a medium-severity unsafe deserialization vulnerability in Eyoucms Eyoucms, published on 31 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15375 exists.

Affected product: Eyoucms Eyoucms. 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-2025-15375/ (Markdown: https://insights.sbomify.com/CVE-2025-15375/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-15375
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-15375
- OSV: https://osv.dev/vulnerability/CVE-2025-15375

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-15375/
Summaries are generated and may contain mistakes; the official description above is the record.