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CVE-2022-31290

20
FAUCET Score

CVE-2022-31290 describes a cross-site scripting (XSS) vulnerability in Known v1.2.2+2020061101, allowing authenticated attackers to inject malicious web scripts or HTML through the "Your Name" field. This medium-severity vulnerability (CVSS 5.4) requires user interaction and authenticated access, potentially leading to limited impact on confidentiality and integrity. There is currently 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
<= 1.3.1CPE matchmatch criteria
cpe:2.3:a:withknown:known:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.82%
Probability of exploitation in next 30 days
EPSS Percentile
53.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0082 is in the 88th percentile among its peer group of 15,224 CVEs.

Social Chatter

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

Vendor Advisories (1)

composerGHSA-g688-7j3c-h9f3medium

Known v1.3.1 Cross-site Scripting

Jul 9, 2022

References

docs.withknown.com / en/latest/install/index.html
ProductVendor Advisory
blog.jitendrapatro.me / multiple-vulnerabilities-in-idno-known-php-cms-software
ExploitThird Party Advisory
github.com / idno/known
Third Party Advisory
withknown.com
ProductVendor Advisory