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CVE-2017-6913

MediumPublished

Cross-site scripting (XSS) vulnerability in the Open-Xchange webmail before 7.6.3-rev28 allows remote attackers to inject arbitrary web script or HTML via...

Published: Sep 18, 2018
Updated: Aug 5, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

1.2%

Low · next 30 days

Percentile: 67.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Cross-site scripting (XSS) vulnerability in the Open-Xchange webmail before 7.6.3-rev28 allows remote attackers to inject arbitrary web script or HTML via the event attribute in a time tag.

Sources

CVE-2017-6913PoC
Stored XSS proof-of-concept exploit for open-xchange OX App Suite webmail, demonstrating unescaped HTML time tag event attributes leading to JavaScript execution.

Responsible use

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