# CVE-2026-32463: WordPress Sync Post With Other Site plugin <= 1.9.3 - Arbitrary File Upload vulnerability

> Contributors can upload arbitrary files in the Sync Post With Other Site plugin, potentially leading to remote code execution.

- **Severity:** Critical 9.9 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **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:** 18 Aug 2026
- **Updated:** 18 Aug 2026
- **Also known as:** GHSA-fvcm-5qh8-pf9f

## What is CVE-2026-32463?

CVE-2026-32463 is a critical vulnerability in Kamlesh Parmar Sync Post With Other Site, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Contributor Arbitrary File Upload in Sync Post With Other Site <= 1.9.3 versions.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2026-32463?


## How do I fix CVE-2026-32463?

No fix has been published for CVE-2026-32463 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-32463 being exploited?

There is no known exploitation of CVE-2026-32463 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-32463 and fix it if it is affected.

What it is: CVE-2026-32463 is a critical vulnerability in Kamlesh Parmar Sync Post With Other Site, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-32463 in the wild and no public exploit code.

Affected product: Kamlesh Parmar Sync Post With Other Site. 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-2026-32463/ (Markdown: https://insights.sbomify.com/CVE-2026-32463/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-32463
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-32463
- OSV: https://osv.dev/vulnerability/CVE-2026-32463

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-32463/
Summaries are generated and may contain mistakes; the official description above is the record.