# CVE-2026-4573: SourceCodester Simple E-learning System HTTP GET Parameter delete_post.php sql injection

> Attackers can exploit SQL injection in the delete_post.php handler to read or modify database contents in the Simple E-learning System.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Mar 2026
- **Updated:** 25 Mar 2026
- **Also known as:** GHSA-wcm9-77g7-g8p2

## What is CVE-2026-4573?

CVE-2026-4573 is a medium-severity SQL injection vulnerability in SourceCodester Simple E-learning System, published on 23 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A security vulnerability has been detected in SourceCodester Simple E-learning System 1.0. This affects an unknown part of the file /includes/form_handlers/delete_post.php of the component HTTP GET Parameter Handler. The manipulation of the argument post_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-4573?


## How do I fix CVE-2026-4573?

No fix has been published for CVE-2026-4573 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-4573 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4573 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-4573 and fix it if it is affected.

What it is: CVE-2026-4573 is a medium-severity SQL injection vulnerability in SourceCodester Simple E-learning System, published on 23 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4573 exists.

Affected product: SourceCodester Simple 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-2026-4573/ (Markdown: https://insights.sbomify.com/CVE-2026-4573/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-4573
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-4573
- OSV: https://osv.dev/vulnerability/CVE-2026-4573

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-4573/
Summaries are generated and may contain mistakes; the official description above is the record.