CVE Explorer

CVE-2026-26266

AliasVault is a privacy-first password manager with built-in email aliasing. A stored cross-site scripting (XSS) vulnerability was identified in the email rendering feature of AliasVault Web Client versions 0.25.3 and lower. When viewing received emails on an alias, the HTML content is rendered in an iframe using srcdoc, which does not provide origin isolation. An attacker can send a crafted email containing malicious JavaScript to any AliasVault email alias. When the victim views the email in t

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:607be0db5f51e2ad5587d4f945c7915fc2a5cf33f88c686eeddfe6d9937d41f1

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"aliasvault","vendor":"aliasvault","versions":[{"status":"affected","version":"< 0.26.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:fe3d94833203a31db6778810a5091e97eedb5658ddf49936e0721fbf2cd4243d · sha256:9b54ecd8c09f2176… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.3,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:fe3d94833203a31db6778810a5091e97eedb5658ddf49936e0721fbf2cd4243d · sha256:9b54ecd8c09f2176… · /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:fe3d94833203a31db6778810a5091e97eedb5658ddf49936e0721fbf2cd4243d · sha256:9b54ecd8c09f2176… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/aliasvault/aliasvault/commit/382e2e96fa502891638a48404f6d82dc972ab481","tags":["x_refsource_MISC"],"url":"https://github.com/aliasvault/aliasvault/commit/382e2e96fa502891638a48404f6d82dc972ab481"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fe3d94833203a31db6778810a5091e97eedb5658ddf49936e0721fbf2cd4243d · sha256:9b54ecd8c09f2176… · /containers/cna/references/1

{"name":"https://github.com/aliasvault/aliasvault/releases/tag/0.26.0","tags":["x_refsource_MISC"],"url":"https://github.com/aliasvault/aliasvault/releases/tag/0.26.0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fe3d94833203a31db6778810a5091e97eedb5658ddf49936e0721fbf2cd4243d · sha256:9b54ecd8c09f2176… · /containers/cna/references/2

{"name":"https://github.com/aliasvault/aliasvault/security/advisories/GHSA-f65p-p65r-g53q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/aliasvault/aliasvault/security/advisories/GHSA-f65p-p65r-g53q"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:fe3d94833203a31db6778810a5091e97eedb5658ddf49936e0721fbf2cd4243d · sha256:9b54ecd8c09f2176… · /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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