# CVE-2024-7887: LimeSurvey File Upload index.php denial of service

> Remote attackers can cause a denial of service in LimeSurvey by manipulating the size argument in the file upload component.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Aug 2024
- **Updated:** 19 Aug 2024
- **Also known as:** GHSA-whpj-x2q5-cqj5

## What is CVE-2024-7887?

CVE-2024-7887 is a medium-severity denial of service vulnerability in Limesurvey Limesurvey, published on 17 Aug 2024. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability was found in LimeSurvey 6.3.0-231016 and classified as problematic. Affected by this issue is some unknown functionality of the file /index.php of the component File Upload. The manipulation of the argument size leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2024-7887?

It affects 1 product.


Products: Limesurvey Limesurvey.

## How do I fix CVE-2024-7887?

No fix has been published for CVE-2024-7887 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-7887 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7887 exists.

## Other vulnerabilities in Limesurvey Limesurvey

- [CVE-2025-56422](https://insights.sbomify.com/CVE-2025-56422/): Deserialization in n/a (critical 9.8)
- [CVE-2022-48008](https://insights.sbomify.com/CVE-2022-48008/): File upload in n/a (critical 9.8)
- [CVE-2019-25019](https://insights.sbomify.com/CVE-2019-25019/): SQL injection in n/a (critical 9.8)
- [CVE-2020-11455](https://insights.sbomify.com/CVE-2020-11455/): Path traversal in n/a (critical 9.8)
- [CVE-2019-16184](https://insights.sbomify.com/CVE-2019-16184/): Code injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-7887 and fix it if it is affected.

What it is: CVE-2024-7887 is a medium-severity denial of service vulnerability in Limesurvey Limesurvey, published on 17 Aug 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7887 exists.

Affected product: Limesurvey Limesurvey. 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-2024-7887/ (Markdown: https://insights.sbomify.com/CVE-2024-7887/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-7887
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-7887
- OSV: https://osv.dev/vulnerability/CVE-2024-7887

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-7887/
Summaries are generated and may contain mistakes; the official description above is the record.