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CVE-2020-5663

16
FAUCET Score

CVE-2020-5663 describes a stored cross-site scripting (XSS) vulnerability affecting XooNIps versions 3.49 and earlier. This flaw allows authenticated attackers to inject malicious scripts through unspecified vectors, potentially leading to information disclosure or unauthorized actions within the user's browser session. With a CVSS score of 5.4 (Medium), exploitation requires low privileges and network access, but has a low impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.49CPE matchmatch criteria
cpe:2.3:a:riken:xoonips:*:*:*:*:*:xoops:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
48.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 59th percentile among its peer group of 21,977 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, 0.1 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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/vu/JVNVU92053563/index.html
Third Party Advisory
xoonips.osdn.jp / modules/news/index.php
Release NotesVendor Advisory