# CVE-2023-25240: SameSite Attribute vulnerability in pimCore

> Attackers can execute arbitrary code via CSRF due to improper SameSite attributes in Pimcore.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 13 Feb 2023
- **Updated:** 21 Mar 2025
- **Also known as:** GHSA-r2vq-p658-p274

## What is CVE-2023-25240?

CVE-2023-25240 is a high-severity vulnerability in Pimcore Pimcore, published on 13 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

An improper SameSite Attribute vulnerability in pimCore v10.5.15 allows attackers to execute arbitrary code.

Weakness: CWE-1265 (Unintended Reentrant Invocation of Non-reentrant Code Via Nested Calls)

## Which versions are affected by CVE-2023-25240?

2 open source packages ship an affected version, including pimcore/pimcore. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `pimcore/pimcore` | Packagist | All versions | 10.5.16 |
| `pimcore/pimcore` | Packagist | All versions | 10.5.16 |

Products: Pimcore Pimcore.

## How do I fix CVE-2023-25240?

Upgrade pimcore/pimcore to 10.5.16 or later.

## Is CVE-2023-25240 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25240 exists.

## Other vulnerabilities in Pimcore Pimcore

- [CVE-2022-39365](https://insights.sbomify.com/CVE-2022-39365/): RCE vulnerability in Pimcore/Mail & Dynamic Text Layout (critical 9.8)
- [CVE-2019-18981](https://insights.sbomify.com/CVE-2019-18981/): Pimcore Access Control Issues (critical 9.8)
- [CVE-2019-18985](https://insights.sbomify.com/CVE-2019-18985/): Pimcore 2FA Vulnerable to Brute Forcing (critical 9.8)
- [CVE-2026-23492](https://insights.sbomify.com/CVE-2026-23492/): Pimcore has a Blind SQL Injection in Admin Search Find API due to an incomplete fix for CVE-2023-30848 (high 8.8)
- [CVE-2023-47637](https://insights.sbomify.com/CVE-2023-47637/): SQL Injection in Admin Grid Filter API in Pimcore (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-25240 and fix it if it is affected.

What it is: CVE-2023-25240 is a high-severity vulnerability in Pimcore Pimcore, published on 13 Feb 2023. An attacker can exploit it over the internet without logging in, 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-2023-25240 exists.

Affected packages and fixed versions:
- pimcore/pimcore (Packagist): affected all versions; fixed in 10.5.16
- pimcore/pimcore (Packagist): affected all versions; fixed in 10.5.16

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-2023-25240/ (Markdown: https://insights.sbomify.com/CVE-2023-25240/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-25240
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-25240
- OSV: https://osv.dev/vulnerability/CVE-2023-25240

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-25240/
Summaries are generated and may contain mistakes; the official description above is the record.