Critical severity9.8NVD Advisory· Published Mar 28, 2022· Updated Jun 17, 2026
CVE-2021-26600
CVE-2021-26600
Description
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
impresscms/impresscmsPackagist | < 1.4.3 | 1.4.3 |
Affected products
3cpe:2.3:a:impresscms:impresscms:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:impresscms:impresscms:*:*:*:*:*:*:*:*range: <1.4.3
- (no CPE)
Patches
Vulnerability mechanics
References
7- packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.htmlnvdExploitThird Party AdvisoryVDB EntryWEB
- seclists.org/fulldisclosure/2022/Mar/43nvdExploitMailing ListThird Party AdvisoryWEB
- hackerone.com/reports/1081986nvdExploitThird Party AdvisoryWEB
- karmainsecurity.com/KIS-2022-01nvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-m8xh-cqc2-5q6fghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-26600ghsaADVISORY
- github.com/ImpressCMS/impresscms/releases/tag/v1.4.3ghsaWEB
News mentions
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