CVE-2026-94045 newbee-ltd CVE debrief

Who should care

Defenders responsible for systems using the newbee-ltd newbee-mall application, particularly those using the Goods Save Endpoint, should assess exposure and prioritize verification of affected versions.

Why it matters

Defenders should prioritize verifying the affected versions and assessing exposure in their systems due to the potential for cross-site scripting attacks.

• Verify the affected versions of newbee-ltd newbee-mall
• Assess exposure in systems using the Goods Save Endpoint
• Implement input validation and sanitization for the goodsName argument

Technical summary

The vulnerability is located in the controller/common/UploadController.java file of the Goods Save Endpoint. An attacker can manipulate the goodsName argument to inject malicious code, resulting in cross-site scripting. The exploit has been released to the public and may be used for attacks. ImageIO.read() is a format-agnostic read - it returns non-null for a polyglot PNG|<img onerror> payload, which is exactly why the 'image-only' guard is bypassable; the attacker-controlled suffix + /upload/** static mapping is what turns the upload into persisted XSS rather than a one-shot.

Defensive priority

Defenders should prioritize verifying the affected versions and assessing exposure in their systems.

Recommended defensive actions

• Verify the affected versions of newbee-ltd newbee-mall
• Assess exposure in systems using the Goods Save Endpoint
• Implement input validation and sanitization for the goodsName argument
• 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 exploit has been released to the public and may be used for attacks. ImageIO.read() is a format-agnostic read - it returns non-null for a polyglot PNG|<img onerror> payload, which is exactly why the 'image-only' guard is bypassable; the attacker-controlled suffix + /upload/** static mapping is what turns the upload into persisted XSS rather than a one-shot.

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.