# CVE-2023-46615: WordPress KD Coming Soon Plugin <= 1.7 is vulnerable to PHP Object Injection

> An attacker can exploit PHP object injection in the KD Coming Soon plugin to potentially execute arbitrary code on the WordPress site.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Feb 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-977w-xm5v-4xhj

## What is CVE-2023-46615?

CVE-2023-46615 is a medium-severity unsafe deserialization vulnerability in Kalli Dan. KD Coming Soon, published on 12 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Deserialization of Untrusted Data vulnerability in Kalli Dan. KD Coming Soon.This issue affects KD Coming Soon: from n/a through 1.7.

Weakness: CWE-502 (Deserialization of Untrusted Data)

## Which versions are affected by CVE-2023-46615?

It affects 1 product.


Products: Kallidan Kd Coming Soon.

## How do I fix CVE-2023-46615?

No fix has been published for CVE-2023-46615 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-46615 being exploited?

There is no known exploitation of CVE-2023-46615 in the wild and no public exploit code.

Public exploit code:

- KD Coming Soon <= 1.7 - Unauthenticated PHP Object Injection via cetitle (github_poc): https://github.com/RandomRobbieBF/CVE-2023-46615

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-46615 and fix it if it is affected.

What it is: CVE-2023-46615 is a medium-severity unsafe deserialization vulnerability in Kalli Dan. KD Coming Soon, published on 12 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-46615 in the wild and no public exploit code.

Affected product: Kalli Dan. KD Coming Soon. 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-2023-46615/ (Markdown: https://insights.sbomify.com/CVE-2023-46615/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-46615
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-46615
- OSV: https://osv.dev/vulnerability/CVE-2023-46615

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-46615/
Summaries are generated and may contain mistakes; the official description above is the record.