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CVE-2021-3151

19
FAUCET Score

CVE-2021-3151 describes a Stored Cross-Site Scripting (XSS) vulnerability affecting i-doit versions prior to 1.16.0. This flaw allows remote authenticated attackers to inject malicious web scripts or HTML through specific configuration parameters. The vulnerability has a CVSS score of 5.4 (Medium), indicating it can be exploited over a network with low attack complexity, requiring user interaction and authenticated access. Successful exploitation could lead to limited confidentiality and integrity impacts. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness or interest.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.16.0CPE matchmatch criteria
cpe:2.3:a:i-doit:i-doit:*:*:*:*:*:*:*:*

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
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 95th percentile among its peer group of 15,239 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

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/162815/i-doit-1.15.2-Cross-Site-Scripting.html
ExploitThird Party AdvisoryVDB Entry
i-doit.org / news
Release NotesVendor Advisory
wizlynxgroup.com / security-research-advisories/vuln/WLX-2020-056
ExploitVendor Advisory