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Fencer Intel
high 7.6

CVE-2022-0666 in the critical feed json

CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in microweber/microweber

published 4y ago modified 4mo ago also GHSA-3wwj-wh2w-g4xp , EUVD-2022-0798

cvss
7.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
44.3%
EPSS 44.3% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in Packagist microweber/microweber prior to 1.2.11.

Patch / fix

  • packagist microweber/microweber 1.2.11
  • microweber microweber/microweber 1.2.11

Is CVE-2022-0666 in your dependencies? 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

44.26% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Microweber < 1.2.11 - CRLF Injection nuclei detection template
  • huntr.dev https://huntr.dev/bounties/7215afc7-9133-4749-8e8e-0569317dbd55 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.6 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.0 7.6 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Affected packages

ecosystem package affected fixed in
packagist microweber/microweber
<1.2.11
1.2.11

Affected products

  • microweber microweber/microweber

Classification

Weakness
  • CWE-93 Improper Neutralization of CRLF Sequences

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.