CVE Explorer
CVE-2026-27568
WWBN AVideo is an open source video platform. Prior to version 21.0, AVideo allows Markdown in video comments and uses Parsedown (v1.7.4) without Safe Mode enabled. Markdown links are not sufficiently sanitized, allowing `javascript:` URIs to be rendered as clickable links. An authenticated low-privilege attacker can post a malicious comment that injects persistent JavaScript. When another user clicks the link, the attacker can perform actions such as session hijacking, privilege escalation (inc
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":"< 21.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9b451ddf597fcdb6f5d1fc6a5fa82f4fb05a868d11e284f5cc26338f3bc14995 · sha256:3a3b011a78c68846… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","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":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9b451ddf597fcdb6f5d1fc6a5fa82f4fb05a868d11e284f5cc26338f3bc14995 · sha256:3a3b011a78c68846… · /containers/cna/metrics/0/cvssV4_0
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_v5cweurn:baitaphish:normalized-source-record:v2:9b451ddf597fcdb6f5d1fc6a5fa82f4fb05a868d11e284f5cc26338f3bc14995 · sha256:3a3b011a78c68846… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"https://github.com/WWBN/AVideo/commit/ade348ed6d28b3797162c3d9e98054fb09ec51d7","tags":["x_refsource_MISC"],"url":"https://github.com/WWBN/AVideo/commit/ade348ed6d28b3797162c3d9e98054fb09ec51d7"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9b451ddf597fcdb6f5d1fc6a5fa82f4fb05a868d11e284f5cc26338f3bc14995 · sha256:3a3b011a78c68846… · /containers/cna/references/1
{"name":"https://github.com/WWBN/AVideo/releases/tag/21.0","tags":["x_refsource_MISC"],"url":"https://github.com/WWBN/AVideo/releases/tag/21.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9b451ddf597fcdb6f5d1fc6a5fa82f4fb05a868d11e284f5cc26338f3bc14995 · sha256:3a3b011a78c68846… · /containers/cna/references/2
{"name":"https://github.com/WWBN/AVideo/security/advisories/GHSA-rcqw-6466-3mv7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-rcqw-6466-3mv7"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9b451ddf597fcdb6f5d1fc6a5fa82f4fb05a868d11e284f5cc26338f3bc14995 · sha256:3a3b011a78c68846… · /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.