CVE-2026-94004 DedeCMS CVE debrief

Who should care

Defenders responsible for DedeCMS installations should assess exposure and prioritize verification and remediation efforts. This includes operators, platform administrators, vulnerability management teams, and security personnel who oversee DedeCMS deployments. They should evaluate the potential operational impacts, including the risk of remote code execution and data breaches, and take steps to mitigate these risks through patching, monitoring, and other

Why it matters

Defenders should prioritize verifying exposure of DedeCMS installations to this code injection vulnerability, assess potential for remote exploitation, and prioritize patching or updating vulnerable versions.

• Verify exposure of DedeCMS installations to code injection
• Assess potential for remote exploitation
• Prioritize patching or updating vulnerable versions
• Monitor for exploitation attempts

Technical summary

The vulnerability is located in the file plus/mytag_js.php of DedeCMS up to version 5.7.118. The manipulation of the argument aid leads to code injection, allowing for remote attacks. This could result in unauthorized code execution, data tampering, or other malicious activities. The vulnerability's impact on confidentiality, integrity, and availability should be carefully evaluated by defenders to ensure appropriate prioritization of remediation efforts. Affected product deployments should be identified and owners assigned for follow-up.

Defensive priority

Defenders should prioritize verifying exposure of DedeCMS installations to this code injection vulnerability.

Recommended defensive actions

• Verify DedeCMS installations for exposure to this code injection vulnerability
• Review and apply vendor-provided patches or updates
• Monitor for potential exploitation attempts
• Assess potential for remote exploitation
• Prioritize patching or updating vulnerable versions
• Verify exposure of DedeCMS installations to code injection
• Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on affected versions and remediation is limited. Further verification is needed to determine the full scope of affected systems and to confirm the effectiveness of proposed mitigations. Defenders should consult vendor documentation and track updates for comprehensive guidance.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.