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CVE-2015-1628

16
FAUCET Score

CVE-2015-1628 describes a cross-site scripting (XSS) vulnerability in Microsoft Exchange Server 2013 SP1 and Cumulative Update 7's Outlook Web App (OWA). This flaw allows remote attackers to inject arbitrary web script or HTML by manipulating the X-OWA-Canary cookie during an AD.RecipientType.User action. With a CVSS score of 4.3, this vulnerability has a medium attack complexity and requires no authentication, potentially leading to information disclosure or unauthorized actions on the user's behalf. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_7:*:*:*:*:*:*
2013CPE matchmatch criteria
cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.88%
Probability of exploitation in next 30 days
EPSS Percentile
94.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0888 is in the 94th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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