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CVE-2026-30238

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.155, 25.0.88, and 26.0.10, there is a reflected XSS vulnerability in GroupOffice on the external/index flow. The f parameter (Base64 JSON) is decoded and then injected into an inline JavaScript block without strict escaping, allowing </script><script>...</script> injection and arbitrary JavaScript execution in the victim's browser. This issue has been patched in versions 6.8.155, 25.0.88, and
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:34f35a4c7eb8ea7f0838ee1a1cc987806e125185a00039d11c7e6c976dde195e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"groupoffice","vendor":"Intermesh","versions":[{"status":"affected","version":"< 6.8.155"},{"status":"affected","version":"< 25.0.88"},{"status":"affected","version":"< 26.0.10"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3be86d761e799074ba485c43ab3508bb9a58d138887c86934d5a1cb424ab4f7c · sha256:76dc97dffee5675b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3be86d761e799074ba485c43ab3508bb9a58d138887c86934d5a1cb424ab4f7c · sha256:76dc97dffee5675b… · /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:v2:3be86d761e799074ba485c43ab3508bb9a58d138887c86934d5a1cb424ab4f7c · sha256:76dc97dffee5675b… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/Intermesh/groupoffice/security/advisories/GHSA-7p2f-c33m-rv5v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Intermesh/groupoffice/security/advisories/GHSA-7p2f-c33m-rv5v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3be86d761e799074ba485c43ab3508bb9a58d138887c86934d5a1cb424ab4f7c · sha256:76dc97dffee5675b… · /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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