# CVE-2018-17586: Cross-site scripting in n/a

> Cross-site scripting vulnerability in WP Fastest Cache plugin allows attackers to inject malicious scripts via the rules content parameter.

- **Severity:** Medium 6.1 (`CVSS:3.0/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:** 15 Apr 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-h586-hcmw-q6pf

## What is CVE-2018-17586?

CVE-2018-17586 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Apr 2019. 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 WP Fastest Cache plugin 0.8.8.5 for WordPress has XSS via the rules[0][content] parameter in a wpfc_save_timeout_pages action.

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

## Which versions are affected by CVE-2018-17586?

It affects 1 product.


Products: Wpfastestcache Wp Fastest Cache.

## How do I fix CVE-2018-17586?

No fix has been published for CVE-2018-17586 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-17586 being exploited?

There is no known exploitation of CVE-2018-17586 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2015-9316](https://insights.sbomify.com/CVE-2015-9316/): SQL injection in n/a (critical 9.8)
- [CVE-2019-13635](https://insights.sbomify.com/CVE-2019-13635/): Path traversal in n/a (critical 9.1)
- [CVE-2021-24869](https://insights.sbomify.com/CVE-2021-24869/): WP Fastest Cache < 0.9.5 - Subscriber+ SQL Injection (high 8.8)
- [CVE-2023-1938](https://insights.sbomify.com/CVE-2023-1938/): WP Fatest Cache < 1.1.5 - Blind SSRF via CSRF (high 8.8)
- [CVE-2018-17584](https://insights.sbomify.com/CVE-2018-17584/): Cross-site request forgery in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-17586 and fix it if it is affected.

What it is: CVE-2018-17586 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Apr 2019. 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-2018-17586 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-2018-17586/ (Markdown: https://insights.sbomify.com/CVE-2018-17586/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-17586
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-17586
- OSV: https://osv.dev/vulnerability/CVE-2018-17586

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-17586/
Summaries are generated and may contain mistakes; the official description above is the record.