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CVE-2026-45243

Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:11e5ff28d58b959a2ce317b27f00fc661c191a1e51a01fe0b27b8d6bd5bab0cb
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":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"affected","packageURL":"pkg:github/steipete/summarize","product":"summarize","repo":"https://github.com/steipete/summarize","vendor":"steipete","versions":[{"lessThan":"0.15.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"357544063af535bd574752622f9eb94be33ee5fd","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-862","description":"Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["patch"],"url":"https://github.com/steipete/summarize/commit/357544063af535bd574752622f9eb94be33ee5fd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/references/2
{"tags":["issue-tracking"],"url":"https://github.com/steipete/summarize/pull/222"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/references/1
{"tags":["release-notes"],"url":"https://github.com/steipete/summarize/releases/tag/v0.15.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/summarize-browser-extension-missing-authorization-via-content-script"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4b2b0fbb16b2fa0eb299a6c1b8740b9b965cb3f0871cdb1d91d428fc539ed205 · sha256:7ebbf9448158644c… · /containers/cna/references/3

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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