# CVE-2017-20098: Admin Custom Login Plugin Persistent cross site scripting

> Attackers can inject persistent scripts into the Admin Custom Login Plugin, potentially stealing user sessions or executing malicious code.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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:** 27 Jun 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-mw4r-9p2v-x35c

## What is CVE-2017-20098?

CVE-2017-20098 is a low-severity cross-site scripting vulnerability in unspecified Admin Custom Login Plugin, published on 27 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in Admin Custom Login Plugin 2.4.5.2. It has been classified as problematic. Affected is an unknown function. The manipulation leads to basic cross site scripting (Persistent). It is possible to launch the attack remotely.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page)

## Which versions are affected by CVE-2017-20098?

It affects 1 product.


Products: Weblizar Admin Custom Login.

## How do I fix CVE-2017-20098?

No fix has been published for CVE-2017-20098 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-20098 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20098 exists.

## Other vulnerabilities in unspecified Admin Custom Login Plugin

- [CVE-2021-34628](https://insights.sbomify.com/CVE-2021-34628/): Admin Custom Login <= 3.2.7 - Cross-Site Request Forgery to Stored Cross-Site Scripting (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-20098 and fix it if it is affected.

What it is: CVE-2017-20098 is a low-severity cross-site scripting vulnerability in unspecified Admin Custom Login Plugin, published on 27 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20098 exists.

Affected product: unspecified Admin Custom Login Plugin. 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-2017-20098/ (Markdown: https://insights.sbomify.com/CVE-2017-20098/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-20098
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-20098
- OSV: https://osv.dev/vulnerability/CVE-2017-20098

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-20098/
Summaries are generated and may contain mistakes; the official description above is the record.