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CVE-2026-45106

Weblate is a web based localization tool. Prior to version 2026.5, Weblate's live search preview renders unit source and context as HTML without escaping. Any contributor whose content reaches those fields stores HTML and CSS that runs inside the authenticated editor of every user who runs a matching search. This issue has been patched in version 2026.5.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dd0820966cb51b2718aa1baf5ca6931ae49fbedda069caf510387a4b10dbe07d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"weblate","vendor":"WeblateOrg","versions":[{"status":"affected","version":"< 2026.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7f4d4cb4ea54cdbe524b92c37ca5e0c3435d7bd5e5a2733b404311d22d9f6e1a · sha256:89fea184804faef9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7f4d4cb4ea54cdbe524b92c37ca5e0c3435d7bd5e5a2733b404311d22d9f6e1a · sha256:89fea184804faef9… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"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:v2:7f4d4cb4ea54cdbe524b92c37ca5e0c3435d7bd5e5a2733b404311d22d9f6e1a · sha256:89fea184804faef9… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/WeblateOrg/weblate/pull/19422","tags":["x_refsource_MISC"],"url":"https://github.com/WeblateOrg/weblate/pull/19422"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f4d4cb4ea54cdbe524b92c37ca5e0c3435d7bd5e5a2733b404311d22d9f6e1a · sha256:89fea184804faef9… · /containers/cna/references/1
{"name":"https://github.com/WeblateOrg/weblate/releases/tag/weblate-2026.5","tags":["x_refsource_MISC"],"url":"https://github.com/WeblateOrg/weblate/releases/tag/weblate-2026.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f4d4cb4ea54cdbe524b92c37ca5e0c3435d7bd5e5a2733b404311d22d9f6e1a · sha256:89fea184804faef9… · /containers/cna/references/2
{"name":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-6wxc-8mgq-w26m","tags":["x_refsource_CONFIRM"],"url":"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-6wxc-8mgq-w26m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7f4d4cb4ea54cdbe524b92c37ca5e0c3435d7bd5e5a2733b404311d22d9f6e1a · sha256:89fea184804faef9… · /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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