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CVE-2017-8896

22
FAUCET Score

CVE-2017-8896 describes a Cross-Site Scripting (XSS) vulnerability affecting ownCloud Server versions prior to 8.2.12, 9.0.10, 9.1.6, and 10.0.2, where malicious code can be injected into URL parameters displayed on error pages. This medium-severity vulnerability (CVSS 6.1) requires user interaction (UI:R) and could lead to limited confidentiality and integrity impacts (C:L/I:L) if exploited. 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
<= 8.2.11CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
>= 9.0.0, <= 9.0.9CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
> 9.1.0, <= 9.1.5CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*
>= 10.0.0, < 10.0.2CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
65.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 78th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

hackerone.com / reports/215410
Third Party Advisory
owncloud.org / security/advisory
Vendor Advisory
securityfocus.com / bid/99321
Third Party AdvisoryVDB Entry