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CVE-2026-33500

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the fix for CVE-2026-27568 (GHSA-rcqw-6466-3mv7) introduced a custom `ParsedownSafeWithLinks` class that sanitizes raw HTML `<a>` and `<img>` tags in comments, but explicitly disables Parsedown's `safeMode`. This creates a bypass: markdown link syntax `[text](javascript:alert(1))` is processed by Parsedown's `inlineLink()` method, which does not go through the custom `sanitizeATag()` sanitization (that only handl
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cb899ddd577ae52a86f87e9aff18e975668b14649ab14859ae4fb64c81cfa683
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"AVideo","vendor":"WWBN","versions":[{"status":"affected","version":"<= 26.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:29bc70e0975becea5b8eb60613bcb469b12ee50a23619ba769355ae4788ea6dc · sha256:2e28490df332001d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"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:v2:29bc70e0975becea5b8eb60613bcb469b12ee50a23619ba769355ae4788ea6dc · sha256:2e28490df332001d… · /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:v2:29bc70e0975becea5b8eb60613bcb469b12ee50a23619ba769355ae4788ea6dc · sha256:2e28490df332001d… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/WWBN/AVideo/commit/3ae02fa240939dbefc5949d64f05790fd25d728d","tags":["x_refsource_MISC"],"url":"https://github.com/WWBN/AVideo/commit/3ae02fa240939dbefc5949d64f05790fd25d728d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:29bc70e0975becea5b8eb60613bcb469b12ee50a23619ba769355ae4788ea6dc · sha256:2e28490df332001d… · /containers/cna/references/1
{"name":"https://github.com/WWBN/AVideo/security/advisories/GHSA-72h5-39r7-r26j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-72h5-39r7-r26j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:29bc70e0975becea5b8eb60613bcb469b12ee50a23619ba769355ae4788ea6dc · sha256:2e28490df332001d… · /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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