# CVE-2020-25890: Cross-site scripting in n/a

> Stored XSS in Kyocera printer web interface allows attackers to hijack admin sessions or execute unwanted actions via the address book.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 17 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-5pr2-r48h-wxp3

## What is CVE-2020-25890?

CVE-2020-25890 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Nov 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The web application of Kyocera printer (ECOSYS M2640IDW) is affected by Stored XSS vulnerability, discovered in the addition a new contact in "Machine Address Book". Successful exploitation of this vulnerability can lead to session hijacking of the administrator in the web application or the execution of unwanted actions

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

## Which versions are affected by CVE-2020-25890?

It affects 1 product.


Products: Kyocera Ecosys M2640idw Firmware.

## How do I fix CVE-2020-25890?

No fix has been published for CVE-2020-25890 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-25890 being exploited?

There is no known exploitation of CVE-2020-25890 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-25890 and fix it if it is affected.

What it is: CVE-2020-25890 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Nov 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-25890 in the wild and no public exploit code.

Affected product: n/a. 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-2020-25890/ (Markdown: https://insights.sbomify.com/CVE-2020-25890/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-25890
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-25890
- OSV: https://osv.dev/vulnerability/CVE-2020-25890

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-25890/
Summaries are generated and may contain mistakes; the official description above is the record.