# CVE-2018-0910: Cross-site scripting in Microsoft SharePoint

> Attackers can exploit improper sanitization of web requests in Microsoft SharePoint to achieve elevation of privilege.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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:** 14 Mar 2018
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-j5jw-xrqm-q6mg

## What is CVE-2018-0910?

CVE-2018-0910 is a high-severity cross-site scripting vulnerability in Microsoft Sharepoint Enterprise Server, published on 14 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Microsoft Project Server 2013 SP1 and Microsoft SharePoint Enterprise Server 2016 allow an elevation of privilege vulnerability to due how specially crafted web requests are sanitized, aka "Microsoft SharePoint Elevation of Privilege Vulnerability". This CVE is unique from CVE-2018-0909, CVE-2018-0911, CVE-2018-0912, CVE-2018-0913, CVE-2018-0914, CVE-2018-0915, CVE-2018-0916, CVE-2018-0917, CVE-2018-0921, CVE-2018-0923, CVE-2018-0944 and CVE-2018-0947.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2018-0910?

It affects 2 products.


Products: Microsoft Project Server, Microsoft Sharepoint Enterprise Server.

## How do I fix CVE-2018-0910?

No fix has been published for CVE-2018-0910 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-0910 being exploited?

There is no known exploitation of CVE-2018-0910 in the wild and no public exploit code.

## Other vulnerabilities in Microsoft Sharepoint Enterprise Server

- [CVE-2018-0909](https://insights.sbomify.com/CVE-2018-0909/): Cross-site scripting in Microsoft SharePoint (high 8.8)
- [CVE-2018-0911](https://insights.sbomify.com/CVE-2018-0911/): Cross-site scripting in Microsoft SharePoint (high 8.8)
- [CVE-2018-0912](https://insights.sbomify.com/CVE-2018-0912/): Cross-site scripting in Microsoft SharePoint (high 8.8)
- [CVE-2018-0913](https://insights.sbomify.com/CVE-2018-0913/): Cross-site scripting in Microsoft SharePoint (high 8.8)
- [CVE-2018-0914](https://insights.sbomify.com/CVE-2018-0914/): Cross-site scripting in Microsoft SharePoint (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-0910 and fix it if it is affected.

What it is: CVE-2018-0910 is a high-severity cross-site scripting vulnerability in Microsoft Sharepoint Enterprise Server, published on 14 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-0910 in the wild and no public exploit code.

Affected product: Microsoft Sharepoint Enterprise Server. 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-2018-0910/ (Markdown: https://insights.sbomify.com/CVE-2018-0910/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-0910
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-0910
- OSV: https://osv.dev/vulnerability/CVE-2018-0910

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-0910/
Summaries are generated and may contain mistakes; the official description above is the record.