Cross-site scripting (XSS) vulnerability in Outlook Web App (OWA) in Microsoft Exchange Server 2013 SP1 and Cumulative Update 7 allows remo…

published 2015-03-11 11y ago modified 2026-06-17 4mo ago also EUVD-2015-1758

cvss: 4.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 8.9%; EPSS 8.9% chance of exploitation in 30 days, percentile 95%
public exploits: 0; none known

Cross-site scripting (XSS) vulnerability in Outlook Web App (OWA) in Microsoft Exchange Server 2013 SP1 and Cumulative Update 7 allows remote attackers to inject arbitrary web script or HTML via a crafted X-OWA-Canary cookie in an AD.RecipientType.User action, aka "OWA Modified Canary Parameter Cross Site Scripting Vulnerability."

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Exploit prediction

8.88% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

Microsoft Exchange rss critical rss

References

docs.microsoft.com /en-us/security-updates/securitybulletins/2015/ms15-026
vendor-advisory
securitytracker.com /id/1031900
vdb-entry

Sources

CVE List CVE-2015-1628
NVD CVE-2015-1628

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