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CVE-2020-5241

15
FAUCET Score

CVE-2020-5241 is a Cross-Site Scripting (XSS)/Script injection vulnerability affecting matestack-ui-core RubyGem versions prior to 0.7.4. This medium-severity vulnerability, rated 5.4 CVSS, can be exploited remotely with low attack complexity, requiring user interaction and low privileges to achieve partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.7.4CPE matchmatch criteria
cpe:2.3:a:matestack:ui-core:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

7.7HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.3
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 78th percentile among its peer group of 15,224 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 0.1 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

Patch Available

Vendor Patches (1)

rubygemspatch availablevia ghsa
Product: matestack-ui-coreFixed in: 0.7.4

Vendor Advisories (1)

rubygemsGHSA-3jqw-vv45-mjhhhigh

XSS/Script injection vulnerability in matestack

Feb 12, 2020

References

github.com / matestack/matestack-ui-core/security/advisories/GHSA-3jqw-vv45-mjhh
ExploitThird Party Advisory