CVE-2021-26599ImpressCMS before 1.4.3 allows include/findusers.php groups SQL Injection.
- 9.8CriticalCVSS base score
- 21.0%Exploitation in 30 daysEPSS · top 2.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
ImpressCMS before 1.4.3 allows include/findusers.php groups SQL Injection.
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 and an Exploit-DB entry for it.
Show the exploits2
Nuclei templates1 template
- ImpressCMS < 1.4.3 - SQL Injection (Nuclei template) (opens in a new tab)
http/cves/2021/CVE-2021-26599.yamlSeverity high
Exploit-DB1 entry
- ImpressCMS 1.4.2 - Remote Code Execution (RCE) (Exploit-DB entry) (opens in a new tab)
EDB-ID 50839webapps, phppublished 30 Mar 2022Not verified
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 mitre
- 14 months later
· 14 months 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 |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 21.0% · top 2.4% of all CVEs (15 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistimpresscms/impresscmsGHSA-jc4v-vvg6-xg78 (opens in a new tab)
References
References4
- https://hackerone.com/reports/1081145 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/166404/ImpressCMS-1.4.2-SQL-Injection.html (opens in a new tab)x_refsource_MISCx_transferred
- http://seclists.org/fulldisclosure/2022/Mar/46 (opens in a new tab)x_refsource_MISCx_transferred
- http://karmainsecurity.com/KIS-2022-04 (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-2022-1455 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-jc4v-vvg6-xg78 (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-2021-26599)Record last updated .