What’s Vulnerable › Vulnerabilities

CVE-2021-3486

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-26 · updated 2026-06-17
• Weakness: CWE-79

Description

GLPi 9.5.4 does not sanitize the metadata. This way its possible to insert XSS into plugins to execute JavaScript code.

Affected products

• glpi-project glpi: 9.5.4

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1947653
• https://github.com/Kitsun3Sec/exploits/tree/master/cms/GLPI/GLPI-stored-XSS
• https://n3k00n3.github.io/blog/09042021/glpi_xss.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1947653
• https://github.com/Kitsun3Sec/exploits/tree/master/cms/GLPI/GLPI-stored-XSS
• https://n3k00n3.github.io/blog/09042021/glpi_xss.html

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