CVE-2021-3151: i-doit before 1.16.0 is affected by Stored Cross-Site Scripting (XSS) issues that could allow remote authentic

Q: How do I fix CVE-2021-3151?

i-doit: upgrade to 1.16.0. Exact commands for each OS are on this page.

Q: Is CVE-2021-3151 being exploited?

CVE-2021-3151 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-3151 affect?

CVE-2021-3151 affects i-doit. Severity is medium (CVSS 5.4). i-doit before 1.16.0 is affected by Stored Cross-Site Scripting (XSS) issues that could allow remote authenticated attackers to inject arbitrary web script or HTML via C__MONITORING__CONFIG__TITLE, SM2__C__MONITORING__CONFIG__TITLE, C__MONI

Q: How urgent is CVE-2021-3151?

Priority 41/100. Public exploit reference

This month

MEDIUM 5.4UPGRADE

CVE-2021-3151 is a medium-severity flaw (CVSS 5.4) affecting i-doit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

i-doit before 1.16.0 is affected by Stored Cross-Site Scripting (XSS) issues that could allow remote authenticated attackers to inject arbitrary web script or HTML via C__MONITORING__CONFIG__TITLE, SM2__C__MONITORING__CONFIG__TITLE, C__MONITORING__CONFIG__PATH, SM2__C__MONITORING__CONFIG__PATH, C__MONITORING__CONFIG__ADDRESS, or SM2__C__MONITORING__CONFIG__ADDRESS.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-02-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: i-doit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-02-27 05:15 UTCPublished CVE record published
2026-06-17 04:04 UTCUpdated Record last modified

i-doit i-doit UPGRADE

Affected: < 1.16.0

Fixed in: 1.16.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy i-doit || rpm -q i-doit || i-doit --version

2. UPGRADE to 1.16.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade i-doit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade i-doit

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-3151?

i-doit: upgrade to 1.16.0. Exact commands for each OS are on this page.

Is CVE-2021-3151 being exploited?

CVE-2021-3151 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-3151 affect?

CVE-2021-3151 affects i-doit. Severity is medium (CVSS 5.4). i-doit before 1.16.0 is affected by Stored Cross-Site Scripting (XSS) issues that could allow remote authenticated attackers to inject arbitrary web script or HTML via C__MONITORING__CONFIG__TITLE, SM2__C__MONITORING__CONFIG__TITLE, C__MONI

How urgent is CVE-2021-3151?

Priority 41/100. Public exploit reference

Related CVEs

CVE-2023-46003 MEDIUM 5.4 UPGRADE I-doit pro 25 and below is vulnerable to Cross Site Scripting (XSS) via index.php.
CVE-2023-37756 CRITICAL 9.8 UPGRADE I-doit pro 25 and below and I-doit open 25 and below employ weak password requirements for Administrator accou
CVE-2023-37755 CRITICAL 9.8 UPGRADE i-doit pro 25 and below and I-doit open 25 and below are configured with insecure default administrator creden
CVE-2023-37739 MEDIUM 6.5 UPGRADE i-doit Pro v25 and below was discovered to be vulnerable to path traversal.
CVE-2023-34830 MEDIUM 5.4 UPGRADE i-doit Open v24 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the timeout

References

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