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CVE-2026-48849

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:99ca8ce8d6226d3adbcf7dfeb2ea3511f8d2f9d14818f95e2b770b6e36627f2d
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":"1.6.16","status":"affected","version":"1.6.0","versionType":"semver"},{"lessThan":"1.7.1","status":"affected","version":"1.7.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/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:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /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 (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"url":"https://github.com/roundcube/roundcubemail/commit/189d30a4890319cd687df959ca9f768a3a613d61"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /containers/cna/references/2
{"url":"https://github.com/roundcube/roundcubemail/commit/a21519187873ce962db029b6ff68e47bd7f3fd8a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /containers/cna/references/4
{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.16"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /containers/cna/references/3
{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /containers/cna/references/1
{"url":"https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:adb85c3297617c2b0c8bb24115279d0e1a32e264b20fc06892c061f799fb717e · sha256:0b86847fafaedc0b… · /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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