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CVE-2026-55659

Grist is spreadsheet software using Python as its formula language. Prior to 1.7.15, several server-rendered Grist pages embedded user-controlled values into the page and into inline scripts without fully escaping them, allowing cross-site scripting. On the main application page, a document's name or description, set by a document editor, is rendered into the page that other users load when opening the document. On the OAuth2 end-of-flow page, the openerOrigin request parameter was reflected bac
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:18dc6080d340c7ba3eb0556b4600c10e8286362a6fa2c54b5f71bfb6580bf821
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:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-116","description":"CWE-116: Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"grist-core","vendor":"gristlabs","versions":[{"status":"affected","version":"< 1.7.15"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /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:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-116","description":"CWE-116: Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/gristlabs/grist-core/commit/4ced8064b7ea0e1763d5a6a2588b22774ce7efbc","tags":["x_refsource_MISC"],"url":"https://github.com/gristlabs/grist-core/commit/4ced8064b7ea0e1763d5a6a2588b22774ce7efbc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /containers/cna/references/1
{"name":"https://github.com/gristlabs/grist-core/releases/tag/v1.7.15","tags":["x_refsource_MISC"],"url":"https://github.com/gristlabs/grist-core/releases/tag/v1.7.15"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /containers/cna/references/2
{"name":"https://github.com/gristlabs/grist-core/security/advisories/GHSA-6qrq-h2h6-cw54","tags":["x_refsource_CONFIRM"],"url":"https://github.com/gristlabs/grist-core/security/advisories/GHSA-6qrq-h2h6-cw54"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:226127146a8c188041a62051067473400b4b0cd2d845973ecf55fcd32e3696cf · sha256:c3719c3fb13276c3… · /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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