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Vulnerability record · CVE-2017-18195 · published 26 February 2018

CVE-2017-18195: Concretecms concrete cms vulnerability

Concretecms · Concrete Cms

An issue was discovered in tools/conversations/view_ajax.php in Concrete5 before 8.3.0. An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/view_ajax with incremental 'cnvID' integers.

5.3 CVSS 3.1 Medium EPSS 11% · top 4.2%
5.3CVSS 3.1 base score, v2 5.0
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in tools/conversations/view_ajax.php in Concrete5 before 8.3.0. An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/view_ajax with incremental 'cnvID' integers.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/concrete5/concrete5/pull/6008/files PatchThird Party Advisory
https://github.com/concrete5/concrete5/releases/tag/8.3.0 Release NotesThird Party Advisory
https://github.com/r3naissance/NSE/blob/master/http-vuln-cve2017-18195.nse ExploitThird Party Advisory
https://www.exploit-db.com/exploits/44194/ ExploitThird Party AdvisoryVDB Entry
https://github.com/concrete5/concrete5/pull/6008/files PatchThird Party Advisory
https://github.com/concrete5/concrete5/releases/tag/8.3.0 Release NotesThird Party Advisory
https://github.com/r3naissance/NSE/blob/master/http-vuln-cve2017-18195.nse ExploitThird Party Advisory
https://www.exploit-db.com/exploits/44194/ ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-18195), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.