What’s Vulnerable › Vulnerabilities

CVE-2020-13827

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-04 · updated 2026-06-17
• Weakness: CWE-79

Description

phpList before 3.5.4 allows XSS via /lists/admin/user.php and /lists/admin/users.php.

Affected products

• PHPList: before 3.5.4 — fixed in 3.5.4

How to fix

Upgrade to a fixed version: PHPList 3.5.4. Check the vendor advisory for mitigations.

References

• https://www.phplist.org/newslist/phplist-3-5-4-release-notes/
• https://www.wizlynxgroup.com/security-research-advisories/vuln/WLX-2020-004
• https://www.phplist.org/newslist/phplist-3-5-4-release-notes/
• https://www.wizlynxgroup.com/security-research-advisories/vuln/WLX-2020-004

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