CVE-2022-0666
CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in microweber/microweber
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in microweber/microweber
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.
- Record
CVE-2022-0666- CVSS 3.0
- 7.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-93
- Updated
- 2026-11-02
EUVDEUVD-2022-0798
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.
- Record
EUVD-2022-0798- CVSS 3.0
- 7.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3wwj-wh2w-g4xp
CRLF Injection in microweber
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.
- Record
GHSA-3wwj-wh2w-g4xp- CVSS 3.0
- 7.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-93
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2022-0666- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 7.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-93
- Updated
- 2026-11-02
OSV
CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in microweber/microweber
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.
- Record
CVE-2022-0666- CVSS 3.0
- 7.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-93
- Updated
- 2026-11-02
OSVGHSA-3wwj-wh2w-g4xp
CRLF Injection in microweber
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.
- Record
GHSA-3wwj-wh2w-g4xp- CVSS 3.0
- 7.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-93
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
microweber/microweberPackagist |
before 1.2.11 | 1.2.11 |
microweber/microweberPackagist |
before 1.2.11, plus listed versions 0.9.3460.930.9310.9340.951 Show 14 moreShow less1.0.31.0.41.0.51.0.61.0.71.1v1.2.10v1.2.3v1.2.4v1.2.5v1.2.6v1.2.7v1.2.8v1.2.9 |
1.2.11 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Microweber < 1.2.11 - CRLF Injection |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-0666 is a high vulnerability (CVSS 7.6) in Microweber, published February 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 44.3%, the 98th percentile. Fixed in microweber/microweber 1.2.11.
References
huntr.dev/bounties/7215afc7-9133-4749-8e8e-0569317dbd55
github.com/microweber/microweber/commit/f0e338f1b7dc5ec9d99231f4ed3fa6245a5eb128
nvd.nist.gov/vuln/detail/CVE-2022-0666