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CVE-2026-35451

Twenty is an open source CRM. Prior to 1.20.6, a Stored Cross-Site Scripting (XSS) vulnerability exists in the BlockNote editor component. Due to a lack of protocol validation in the FileBlock component and insufficient server-side inspection of block content, an attacker can inject a javascript: URI into the url property of a file block. This allows the execution of arbitrary JavaScript when a user clicks on the malicious file attachment. This vulnerability is fixed in 1.20.6.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e0cb6d41b8af31a8360a567c775236a6d04c0a3e209b54d4a0104f0dbf94c43d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"twenty","vendor":"twentyhq","versions":[{"status":"affected","version":"< 1.20.6"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2727ac80d7a80207ad6eeaf2faf8db892825dc55c04504fd4551f524a1cd1c35 · sha256:8731cc15de8455d8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2727ac80d7a80207ad6eeaf2faf8db892825dc55c04504fd4551f524a1cd1c35 · sha256:8731cc15de8455d8… · /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:v2:2727ac80d7a80207ad6eeaf2faf8db892825dc55c04504fd4551f524a1cd1c35 · sha256:8731cc15de8455d8… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/twentyhq/twenty/commit/8da69e0f77ea820a6845a4c3c025b6af3861d523","tags":["x_refsource_MISC"],"url":"https://github.com/twentyhq/twenty/commit/8da69e0f77ea820a6845a4c3c025b6af3861d523"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2727ac80d7a80207ad6eeaf2faf8db892825dc55c04504fd4551f524a1cd1c35 · sha256:8731cc15de8455d8… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/twentyhq/twenty/security/advisories/GHSA-7w89-7q26-gj7q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2727ac80d7a80207ad6eeaf2faf8db892825dc55c04504fd4551f524a1cd1c35 · sha256:8731cc15de8455d8… · /containers/adp/0/references/0
{"name":"https://github.com/twentyhq/twenty/security/advisories/GHSA-7w89-7q26-gj7q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/twentyhq/twenty/security/advisories/GHSA-7w89-7q26-gj7q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2727ac80d7a80207ad6eeaf2faf8db892825dc55c04504fd4551f524a1cd1c35 · sha256:8731cc15de8455d8… · /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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