CVE Explorer
CVE-2026-54433
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message (zero-click).
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Webmail","vendor":"Roundcube","versions":[{"lessThan":"1.6.17","status":"affected","version":"1.6.0","versionType":"semver"},{"lessThan":"1.7.2","status":"affected","version":"1.7.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:c5ca798078a9c21ec604a60a419342b0e5edd4f361d619502025c897dcfd1ff9 · sha256:8c0ba21f4ba068cf… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:c5ca798078a9c21ec604a60a419342b0e5edd4f361d619502025c897dcfd1ff9 · sha256:8c0ba21f4ba068cf… · /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_v5cweurn:baitaphish:normalized-source-record:v2:c5ca798078a9c21ec604a60a419342b0e5edd4f361d619502025c897dcfd1ff9 · sha256:8c0ba21f4ba068cf… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c5ca798078a9c21ec604a60a419342b0e5edd4f361d619502025c897dcfd1ff9 · sha256:8c0ba21f4ba068cf… · /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.