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TI-2026-36251 Aliases CVE-2026-48997

e107: Command Injection via shell expansion in ImageMagick resize destination path

Priority MEDIUM 64CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
Low · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

e107 is a content management system (CMS). Versions 2.3.5 and earlier contain a command injection vulnerability in the ImageMagick resize destination path. In resize_image(), the source path is escaped with escapeshellarg(), but the destination path is inserted inside raw double quotes in the convert command; in the submit-news upload flow, that destination filename includes the first six characters of user-controlled news title input. Because the title filter removes literal spaces but not tab characters, and shell expansions such as $(...) and backticks can survive into the quoted destination argument, /bin/sh -c may evaluate attacker-controlled input. Exploitation is possible only when all of the following non-default settings are enabled: resize_method=ImageMagick, subnews_attach=1, upload_enabled=1, subnews_resize is numeric between 30 and 5000, and the attacker is a non-admin in classes permitted by both subnews_class and upload_class. This issue has been fixed in version 2.3.6.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00946 61st percentileScored 2026-11-07
Fix Fixed e107 (e107inc): 2.3.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
e107ince107before 2.3.62.3.6Patch availableCNA
  • e107 Vendore107inc Affected before 2.3.6 Fixed in 2.3.6 Patch available CNA

Remediation

  • Fix · CNA e107 (e107inc) Fixed in 2.3.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48997

References

Other 2

  • TI-2026-74376 Unsafe deserialization in e107 installer enables remote code execution CVSS 3.1CRITICAL 9.8
  • TI-2026-31992 e107: Host Header Injection in e107 password reset enables phishing CVSS 3.1HIGH 8.1
  • TI-2026-41663 e107 Second-Order Code Execution via eval()-Based Deserialization in e_array::unserialize() CVSS 4.0HIGH 7.7
  • TI-2026-34276 e107: CSRF in comment.php moderation endpoints via token-optional validation in session_handler::check() CVSS 3.1MEDIUM 6.5
  • TI-2026-31991 e107: Broken Access Control in e107 comment edit allows cross-user comment modification CVSS 3.1MEDIUM 6.5
  • TI-2026-31993 e107: Server-Side Request Forgery (SSRF) in the remote file fetcher CVSS 3.1MEDIUM 4.3
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences