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CVE-2022-0666

52
FAUCET Score

CVE-2022-0666 describes a CRLF Injection vulnerability in Microweber prior to version 1.2.11, specifically demonstrated on demo.microweber.org. This flaw allows for Stack Trace Exposure due to insufficient input filtering. With a CVSS score of 7.5 (High), this vulnerability can be exploited remotely without user interaction, potentially leading to information disclosure. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist for detecting this high-severity issue, though community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.11CPE matchmatch criteria
cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.6HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
4.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
44.26%
Probability of exploitation in next 30 days
EPSS Percentile
98.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-23
Model: v2026.06.15
Nuclei: CVE-2022-0666 · May 31, 2024
This CVE's current EPSS score of 0.4426 is in the 97th percentile among its peer group of 51,455 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: microweber/microweberFixed in: 1.2.11
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-3wwj-wh2w-g4xphigh

CRLF Injection in microweber

Feb 19, 2022

References

github.com / microweber/microweber/commit/f0e338f1b7dc5ec9d99231f4ed3fa6245a5eb128
PatchThird Party Advisory
huntr.dev / bounties/7215afc7-9133-4749-8e8e-0569317dbd55
ExploitPatchThird Party Advisory