Possible DotCMS Path Traversal Webshell Upload via content API CVE-2022-26352

PremiumReviewedSigma · Medium · v1
Category
webserver
Author
HuntRule
Published
2026-09-08
Updated
2026-09-08

ATT&CK techniques

Initial Access → Persistence
  1. Recon

  2. Resource Dev

  3. Execution

  4. Priv Esc

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects POST requests to the DotCMS /api/content/ endpoint whose multipart filename contains directory-traversal sequences and a JSP extension. CVE-2022-26352 is an arbitrary file upload that drops a JSP webshell into the Tomcat webroot as documented by Assetnote, giving attackers remote code execution.

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Possible DotCMS Path Traversal Webshell Upload via content API CVE-2022-26352
Pivot detection · T1190 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.