CVE-2021-26598

5.3 mediumEPSS 11%

Medium (5.3) in impresscms impresscms. EPSS 11% chance of exploitation in the next 30 days.

ImpressCMS before 1.4.3 has Incorrect Access Control because include/findusers.php allows access by unauthenticated attackers (who are, by design, able to have a security token).

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 11% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2022-03-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

impresscms:impresscms

References

http://karmainsecurity.com/KIS-2022-03
http://seclists.org/fulldisclosure/2022/Mar/45
https://hackerone.com/reports/1081137
https://packetstormsecurity.com/files/166403/ImpressCMS-1.4.2-Incorrect-Access-Control.html
http://karmainsecurity.com/KIS-2022-03

Check your stack JSON