What is CVE-2022-26271?

CVE-2022-26271 is a high-severity vulnerability in 74cms, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2022-03-28.

How severe is CVE-2022-26271?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-26271 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in 74cms

CVE-2022-26271

74cmsSE v3.4.1 was discovered to contain an arbitrary file read vulnerability via the $url parameter at \index\controller\Download.php.

Published 2022-03-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.045 (91.2th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000

Affected products

74cms — versions 3.4.1

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

Public proof-of-concept exploits

References

github.com/N1ce759/74cmsSE-Arbitrary-File-Reading/issues/1 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-26271?: CVE-2022-26271 is a high-severity vulnerability in 74cms, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2022-03-28.
How severe is CVE-2022-26271?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-26271 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.