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CVE-2026-34429

Vvveb prior to 1.0.8.1 contains a stored cross-site scripting vulnerability that allows authenticated users with media upload and rename permissions to execute arbitrary JavaScript by bypassing MIME type validation and renaming uploaded files to executable extensions. Attackers can prepend a GIF89a header to HTML/JavaScript payloads to bypass upload validation, rename the file to .html extension, and execute malicious scripts in an administrator's browser session to create backdoor accounts and
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9fea8f11b72cbbfd0d7e2e4526813390f3c28ef255515ee7fa924c54c02c5384
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":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","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:L/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:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:github/givanz/Vvveb","product":"Vvveb","repo":"https://github.com/givanz/Vvveb","vendor":"givanz","versions":[{"lessThan":"1.0.8.1","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"cc997d3359ea5e49a45c132f5dee3bc80fb441d7","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","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:L/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:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["technical-description","exploit"],"url":"https://delta.cyberm.ca/bugbin/ur66bvB7BYTC9y0eCIk3uzhZQgbjzAkG/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/references/0
{"tags":["patch"],"url":"https://github.com/givanz/Vvveb/commit/cc997d3359ea5e49a45c132f5dee3bc80fb441d7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/references/3
{"tags":["release-notes"],"url":"https://github.com/givanz/Vvveb/releases/tag/1.0.8.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/references/2
{"tags":["vendor-advisory"],"url":"https://github.com/givanz/Vvveb/security/advisories/GHSA-2vc4-49hq-g7f4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/references/1
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/vvveb-stored-xss-via-media-upload-and-rename"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eb79f1bb60529b74fd71496bae0a2ad178087dfaac7a30c7dc4c410e29bbd04 · sha256:6a8fe5c77fe69df4… · /containers/cna/references/4

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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