CVE Explorer

CVE-2026-39426

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting (XSS) vulnerability where the frontend's MdRenderer.vue component parses custom <iframe_render> tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitization and XSS filtering. The unsanitized HTML content is passed to the IframeRender.vue component, which renders it directly into an <iframe> via the srcdoc attribute configured with sandbo

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a00b11d50db716b932abeffe823444dfda60b1bdab89f43eefd37739ee18d4a0

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"MaxKB","vendor":"1Panel-dev","versions":[{"status":"affected","version":"< 2.8.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:b7e2f44b90647f51472ba7eade0ab8a2801c1614ecbca909e81337a50533d3ed · sha256:4d0eed3f1d6a1713… · /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:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:b7e2f44b90647f51472ba7eade0ab8a2801c1614ecbca909e81337a50533d3ed · sha256:4d0eed3f1d6a1713… · /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_v5cwe
urn:baitaphish:normalized-source-record:v2:b7e2f44b90647f51472ba7eade0ab8a2801c1614ecbca909e81337a50533d3ed · sha256:4d0eed3f1d6a1713… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0","tags":["x_refsource_MISC"],"url":"https://github.com/1Panel-dev/MaxKB/releases/tag/v2.8.0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b7e2f44b90647f51472ba7eade0ab8a2801c1614ecbca909e81337a50533d3ed · sha256:4d0eed3f1d6a1713… · /containers/cna/references/1

{"name":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-q2qg-43vq-f2wv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-q2qg-43vq-f2wv"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b7e2f44b90647f51472ba7eade0ab8a2801c1614ecbca909e81337a50533d3ed · sha256:4d0eed3f1d6a1713… · /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.

← Back to CVE Explorer