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CVSS 9.83 sources verified·1 min read
By Lyrie Threat Intelligence·5/13/2026

CRITICAL: CVE-2016-7565 (CVSS 9.8) — exponentcms exponent cms

CVE: CVE-2016-7565

CVSS: 9.8 (3.0) — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: CRITICAL

Status: Critical advisory

Affected

  • exponentcms exponent cms

Summary

install/index.php in Exponent CMS 2.3.9 allows remote attackers to execute arbitrary commands via shell metacharacters in the sc array parameter.

Verified Sources

References

  • http://www.openwall.com/lists/oss-security/2016/09/22/6
  • https://exponentcms.lighthouseapp.com/projects/61783/changesets/4ae457ff1bf80e8b61286cd125ca794b25564e86
  • https://github.com/exponentcms/exponent-cms/commit/4ae457ff1bf80e8b61286cd125ca794b25564e86
  • https://github.com/exponentcms/exponent-cms/releases/tag/v2.4.0
  • http://www.openwall.com/lists/oss-security/2016/09/22/6
  • https://exponentcms.lighthouseapp.com/projects/61783/changesets/4ae457ff1bf80e8b61286cd125ca794b25564e86
  • https://github.com/exponentcms/exponent-cms/commit/4ae457ff1bf80e8b61286cd125ca794b25564e86
  • https://github.com/exponentcms/exponent-cms/releases/tag/v2.4.0

_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._

Lyrie Verdict

A vulnerability of this severity is exactly what Lyrie's anti-rogue-AI defense is built for: continuous, autonomous monitoring that doesn't wait for human reaction time.

#exponentcms#critical

Validated sources

  1. [1]NVD
  2. [2]GitHub Advisory
  3. [3]MITRE

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