CVE-2026-55214Network attack vectorHinoki check available

Stored XSS via unescaped supplier website field

Published Sep 25, 2026 · Updated Sep 25, 2026

Stored cross-site scripting in GLPI 11.0.6 through 11.0.7 allows remote authenticated users to execute script in other users' browsers. The supplier website field accepts and persists active markup that the item's suppliers-list view renders without safe output encoding. A technician account is required to plant the payload, and a separate user's opening of the suppliers list executes it in that user's browser context.

CVSS severity8.5
High
EPSS probability0.28%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
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Summary

What happened

Stored cross-site scripting in GLPI 11.0.6 through 11.0.7 allows remote authenticated users to execute script in other users' browsers. The supplier website field accepts and persists active markup that the item's suppliers-list view renders without safe output encoding. A technician account is required to plant the payload, and a separate user's opening of the suppliers list executes it in that user's browser context.

The record

CVE
CVE-2026-55214
Published
Sep 25, 2026
Updated
Sep 25, 2026
Vendor
GLPI Project
Product
GLPI
Classifications
CWE-116, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 11.0.6, < 11.0.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GLPI Project · GLPIversion=>= 11.0.6, < 11.0.8

Published CVSS scores

8.5GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-116Improper Encoding or Escaping of Output
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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