# CVE-2026-85382: light0011 cms Chapter Content Output oneChapter.tpl htmlspecialchars_decode cross site scripting

> Attackers can inject malicious scripts via the chapter content output, potentially leading to session hijacking or code execution in light0011 CMS.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **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:** 4 Sep 2026
- **Updated:** 4 Sep 2026
- **Also known as:** GHSA-h6vx-22pm-pj9v

## What is CVE-2026-85382?

CVE-2026-85382 is a medium-severity cross-site scripting vulnerability in light0011 cms, published on 4 Sep 2026. 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

A vulnerability was detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Impacted is the function htmlspecialchars_decode of the file App/Home/View/Default/Chapter/oneChapter.tpl of the component Chapter Content Output. Performing a manipulation of the argument content results in cross site scripting. Remote exploitation of the attack is possible. The exploit is now public and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-85382?


## How do I fix CVE-2026-85382?

No fix has been published for CVE-2026-85382 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-85382 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85382 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-85382 and fix it if it is affected.

What it is: CVE-2026-85382 is a medium-severity cross-site scripting vulnerability in light0011 cms, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, 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-2026-85382 exists.

Affected product: light0011 cms. 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-2026-85382/ (Markdown: https://insights.sbomify.com/CVE-2026-85382/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-85382
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-85382
- OSV: https://osv.dev/vulnerability/CVE-2026-85382

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-85382/
Summaries are generated and may contain mistakes; the official description above is the record.