# CVE-2026-1154: SourceCodester E-Learning System Lesson index.php cross site scripting

> Remote attackers can inject malicious scripts via the Lesson Title or Description fields in the SourceCodester E-Learning System admin module.

- **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:** 19 Jan 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-m5vq-v25h-q53f

## What is CVE-2026-1154?

CVE-2026-1154 is a medium-severity cross-site scripting vulnerability in SourceCodester E-Learning System, published on 19 Jan 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 flaw has been found in SourceCodester E-Learning System 1.0. This impacts an unknown function of the file /admin/modules/lesson/index.php of the component Lesson Module Handler. Executing a manipulation of the argument Title/Description can lead to basic cross site scripting. The attack can be executed remotely. The exploit has been published and may be used.

Weakness: CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-1154?

It affects 1 product.


Products: Janobe E-Learning System.

## How do I fix CVE-2026-1154?

No fix has been published for CVE-2026-1154 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-1154 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1154 exists.

## Other vulnerabilities in SourceCodester E-Learning System

- [CVE-2025-1589](https://insights.sbomify.com/CVE-2025-1589/): SourceCodester E-Learning System User Registration register.php cross site scripting (medium 5.3)
- [CVE-2025-1590](https://insights.sbomify.com/CVE-2025-1590/): SourceCodester E-Learning System List of Lessons Page index.php unrestricted upload (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-1154 and fix it if it is affected.

What it is: CVE-2026-1154 is a medium-severity cross-site scripting vulnerability in SourceCodester E-Learning System, published on 19 Jan 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-2026-1154 exists.

Affected product: SourceCodester E-Learning System. 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-2026-1154/ (Markdown: https://insights.sbomify.com/CVE-2026-1154/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-1154
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1154
- OSV: https://osv.dev/vulnerability/CVE-2026-1154

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-1154/
Summaries are generated and may contain mistakes; the official description above is the record.