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CVE-2026-41886

locize is a localization platform that connects code and i18n setup. Prior to version 4.0.21, the locize client SDK registers a window.addEventListener("message", …) handler that dispatches to registered internal handlers (editKey, commitKey, commitKeys, isLocizeEnabled, requestInitialize, …) without validating event.origin. The pre-patch listener in src/api/postMessage.js gates dispatch on event.data.sender === "i18next-editor-frame" — that value sits inside the attacker-controlled message payl
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e6a008c594d82598963f30bbc94b8884a4cd8fd50e81e9dc9d723bcb4e8bb9c8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"locize","vendor":"locize","versions":[{"status":"affected","version":"< 4.0.21"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/locize/locize/releases/tag/v4.0.21","tags":["x_refsource_MISC"],"url":"https://github.com/locize/locize/releases/tag/v4.0.21"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/references/1
{"name":"https://github.com/locize/locize/security/advisories/GHSA-w937-fg2h-xhq2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/locize/locize/security/advisories/GHSA-w937-fg2h-xhq2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:47d43bfc94d3f459f2526c04a7812964430c0aade65d4d9462edea91cd9adf3a · sha256:d2a06fb4b2bf3820… · /containers/cna/references/0

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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