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CVE-2026-53987

The Tag plugin for GLPI 11 before 2.14.4 stores the tag name without HTML sanitization and renders it into the Kanban badge markup via PluginTagTag::preKanbanContent() without output escaping, resulting in stored cross-site scripting. An authenticated user with TAG MANAGEMENT create or update rights can set a tag name containing HTML, which then executes in the browser of any user who opens the Kanban view of a ticket, problem, change, or project the tag is attached to.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d1d409ca2ada2aed3fe6404a72e5f2444c394fbe831f3cfac675c1087b2231f2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.3,"baseSeverity":"HIGH","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"GLPI 11","vendor":"Tag plugin","versions":[{"lessThan":"2.14.4","status":"affected","version":"2.6.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.3,"baseSeverity":"HIGH","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"Product","tags":["product"],"url":"https://github.com/pluginsGLPI/tag"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/references/2
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/pluginsGLPI/tag/commit/49e6b6eb5f83bcd84139a5e5ec54c0ddd14acc90"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/references/3
{"name":"Tag Plugin 2.14.4 Release","tags":["patch"],"url":"https://github.com/pluginsGLPI/tag/releases/tag/2.14.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/references/1
{"name":"GitHub Security Advisory (GHSA-6rpj-89c7-x2mh)","tags":["vendor-advisory"],"url":"https://github.com/pluginsGLPI/tag/security/advisories/GHSA-6rpj-89c7-x2mh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/glpi-tag-plugin-stored-cross-site-scripting-in-kanban-badge-rendering"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7301cca7ab3d77886492653317f285037e4eea3bbe64f6d1379b63b53fa0a8a3 · sha256:4f220f9054b0ffb8… · /containers/cna/references/4

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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