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CVE-2026-8496

A cross-site scripting (XSS) vulnerability exists in Alinto SOGo, version 5.12.7. A maliciously crafted ICS calendar invitation files allows arbitrary JavaScript execution within the authenticated SOGo webmail session. The issue occurs because SVG content embedded in the description field of an ICS file, with an onrepeat event handler, is insufficiently sanitized before being rendered in the webmail interface. A remote attacker can execute JavaScript in the victim's browser when the malicious c
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f529e48df6cf8136023b2936117fcfc97782bf537797c169303b019d9870f35f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"CWE-116 Improper Encoding or Escaping of Output","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/problemTypes/1/descriptions/0

{"description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"SOGo","vendor":"Alinto SOGo","versions":[{"lessThan":"5.12.8","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"CWE-116 Improper Encoding or Escaping of Output","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/problemTypes/1/descriptions/0
{"description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://github.com/Alinto/sogo/commit/67ce01ec2a1a7854d8e9f615dd65afb949043e86"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/references/0
{"url":"https://github.com/Alinto/sogo/releases/tag/SOGo-5.12.8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/references/1
{"url":"https://www.sogo.nu/news/2026/sogo-v5128-released.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:463318314ca87e5b2fb891bf66ded7a8a020ca9ee437ce5fe594c63049b33876 · sha256:b43e1569d6d9f42c… · /containers/cna/references/2

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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