# CVE-2021-31813: Cross-site scripting in n/a

> Attackers can inject malicious scripts via crafted Active Directory user names, potentially leading to session hijacking or code execution in Zoho ManageEngine Applications Manager.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 1 Jul 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-w44j-7c2c-9hf8

## What is CVE-2021-31813?

CVE-2021-31813 is a medium-severity cross-site scripting vulnerability in Zohocorp Manageengine Applications Manager, published on 1 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Zoho ManageEngine Applications Manager before 15130 is vulnerable to Stored XSS while importing malicious user details (e.g., a crafted user name) from AD.

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

## Which versions are affected by CVE-2021-31813?

It affects 1 product.


Products: Zohocorp Manageengine Applications Manager.

## How do I fix CVE-2021-31813?

No fix has been published for CVE-2021-31813 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-31813 being exploited?

There is no known exploitation of CVE-2021-31813 in the wild and no public exploit code.

## Other vulnerabilities in Zohocorp Manageengine Applications Manager

- [CVE-2020-24743](https://insights.sbomify.com/CVE-2020-24743/): Privilege escalation in n/a (critical 9.8)
- [CVE-2020-27995](https://insights.sbomify.com/CVE-2020-27995/): SQL injection in n/a (critical 9.8)
- [CVE-2020-15533](https://insights.sbomify.com/CVE-2020-15533/): SQL injection in n/a (critical 9.8)
- [CVE-2020-15394](https://insights.sbomify.com/CVE-2020-15394/): SQL injection in n/a (critical 9.8)
- [CVE-2019-19649](https://insights.sbomify.com/CVE-2019-19649/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-31813 and fix it if it is affected.

What it is: CVE-2021-31813 is a medium-severity cross-site scripting vulnerability in Zohocorp Manageengine Applications Manager, published on 1 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-31813 in the wild and no public exploit code.

Affected product: Zohocorp Manageengine Applications Manager. 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-2021-31813/ (Markdown: https://insights.sbomify.com/CVE-2021-31813/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-31813
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-31813
- OSV: https://osv.dev/vulnerability/CVE-2021-31813

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-31813/
Summaries are generated and may contain mistakes; the official description above is the record.