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Fencer Intel
medium 5.4

CVE-2021-3151 json

i-doit before 1.16.0 is affected by Stored Cross-Site Scripting (XSS) issues that could allow remote authenticated attackers to inject arbi…

published 5y ago modified 4mo ago also EUVD-2021-26495

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

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.

Patch / fix

  • i-doit i-doit 1.16.0

Is CVE-2021-3151 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wizlynxgroup.com https://www.wizlynxgroup.com/security-research-advisories/vuln/WLX-2020-056 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/162815/i-doit-1.15.2-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.