# CVE-2023-2926: SeaCMS Picture Upload member.php denial of service

> Remote attackers can cause a denial of service in SeaCMS by manipulating the oldpic argument in the picture upload handler.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L`)
- **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:** 27 May 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-3wwc-wp82-fpv7

## What is CVE-2023-2926?

CVE-2023-2926 is a medium-severity denial of service vulnerability in Seacms Seacms, published on 27 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in SeaCMS 11.6 and classified as problematic. This issue affects some unknown processing of the file member.php of the component Picture Upload Handler. The manipulation of the argument oldpic leads to denial of service. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-230081 was assigned to this vulnerability.

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

## Which versions are affected by CVE-2023-2926?

It affects 1 product.


Products: Seacms Seacms.

## How do I fix CVE-2023-2926?

No fix has been published for CVE-2023-2926 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2926 being exploited?

There is no known exploitation of CVE-2023-2926 in the wild and no public exploit code.

## Other vulnerabilities in Seacms Seacms

- [CVE-2025-44073](https://insights.sbomify.com/CVE-2025-44073/): SQL injection in n/a (critical 9.8)
- [CVE-2025-44071](https://insights.sbomify.com/CVE-2025-44071/): Code injection in n/a (critical 9.8)
- [CVE-2025-44072](https://insights.sbomify.com/CVE-2025-44072/): SQL injection in n/a (critical 9.8)
- [CVE-2025-44074](https://insights.sbomify.com/CVE-2025-44074/): SQL injection in n/a (critical 9.8)
- [CVE-2025-29647](https://insights.sbomify.com/CVE-2025-29647/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2926 and fix it if it is affected.

What it is: CVE-2023-2926 is a medium-severity denial of service vulnerability in Seacms Seacms, published on 27 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-2926 in the wild and no public exploit code.

Affected product: Seacms Seacms. 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-2023-2926/ (Markdown: https://insights.sbomify.com/CVE-2023-2926/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2926
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2926
- OSV: https://osv.dev/vulnerability/CVE-2023-2926

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2926/
Summaries are generated and may contain mistakes; the official description above is the record.