CVE-2022-0666CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in microweber/microweber
- 7.6HighCVSS base score
- 44.3%Exploitation in 30 daysEPSS · top 1.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template for it.
Show the exploits1
Nuclei templates1 template
- Microweber < 1.2.11 - CRLF Injection (Nuclei template) (opens in a new tab)
http/cves/2022/CVE-2022-0666.yamlSeverity high
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By @huntrdev
- 1 day later
· 1 day later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| @huntrdevCNA (assigner) | 3.0 | High7.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 44.3% · top 1.2% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.
Affected products
microweber · microweber/microweber
- affected unspecified – < 1.2.11
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistmicroweber/microweberGHSA-3wwj-wh2w-g4xp (opens in a new tab)
References
References2
- https://huntr.dev/bounties/7215afc7-9133-4749-8e8e-0569317dbd55 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/microweber/microweber/commit/f0e338f1b7dc5ec9d99231f4ed3fa6245a5eb128 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-0798 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-3wwj-wh2w-g4xp (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-0666)Record last updated .