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CVE-2017-16950

21
FAUCET Score

CVE-2017-16950 describes a Cross-Site Scripting (XSS) vulnerability in UrBackup Server versions prior to 2.1.20, allowing remote attackers to inject malicious web scripts through the 'action' parameter. This medium-severity vulnerability (CVSS 6.1) can be exploited over the network with low complexity, requiring user interaction, and could lead to limited compromise of confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.20CPE matchmatch criteria
cpe:2.3:a:urbackup:urbackup_server:*:*:*:*:*:*:*:*

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
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 59th percentile among its peer group of 26,219 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

urbackup.org / 2017/11/30/urbackup-server-2.1.20.html
Release NotesVendor Advisory
urbackup.org / server_changelog.html
Release NotesVendor Advisory