CVE-2026-116533 Static Snapshot CVE debrief

Who should care

Defenders responsible for WordPress installations using the Static Snapshot plugin should assess exposure and apply necessary patches or mitigations to prevent exploitation. This includes reviewing compensating controls for exposed systems while remediation is scheduled and verified, and checking relevant monitoring, detection, and logs for exposed assets that need extra review.

Why it matters

CVE-2026-116533 is a critical vulnerability in the Static Snapshot WordPress plugin that allows unauthenticated attackers to execute arbitrary commands on the host. Defenders should assess exposure and apply patches or mitigations to prevent exploitation.

• Potential for unauthenticated command execution on the host.
• High CVSS score indicating critical severity.
• Lack of authentication required for exploitation.

Technical summary

The Static Snapshot WordPress plugin through 0.2.1 does not properly sanitize user-supplied input, allowing unauthenticated attackers to execute arbitrary commands on the host. The vulnerability has a CVSS score of 9.8, indicating critical severity. This is due to the plugin not sanitizing shell metacharacters in a user-supplied value before using it in operating-system commands. The CVE record and NVD entry provide details on the vulnerability, including its critical CVSS score of 9.8 and the lack of authentication required for exploitation.

Defensive priority

High priority for defenders to assess exposure and apply patches or mitigations.

Recommended defensive actions

• Assess exposure of WordPress installations using the Static Snapshot plugin version 0.2.1 or earlier.
• Apply patches or updates to the Static Snapshot plugin to prevent exploitation.
• Monitor for potential exploitation attempts targeting this vulnerability.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its critical CVSS score of 9.8 and the lack of authentication required for exploitation. The Static Snapshot WordPress plugin through 0.2.1 does not properly sanitize user-supplied input, allowing unauthenticated attackers to execute arbitrary commands on the host. The vulnerability has a CVSS score of 9.8, indicating critical severity.

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.