CVE-2026-78325 Standard Notes CVE debrief

Who should care

Defenders responsible for managing Standard Notes for Android deployments, particularly those using versions prior to 3.201.25, should assess exposure and prioritize updates to mitigate the risk of arbitrary JavaScript execution.

Why it matters

Defenders should care about CVE-2026-78325 because it allows attackers to execute arbitrary JavaScript in Standard Notes for Android, potentially leading to theft of sensitive data and unauthorized access to device APIs. Affected deployments should prioritize updates to version 3.201.25 or later.

• Theft of encryption keys and note data
• Arbitrary invocation of native device APIs
• Execution of arbitrary JavaScript in the application context

Technical summary

The Evernote and Google Keep note importers in Standard Notes for Android through 3.201.24 are vulnerable to cross-site scripting. An attacker can execute arbitrary JavaScript in the application context when a victim imports a crafted .enex or Google Keep HTML file. This vulnerability allows attackers to potentially steal sensitive data and gain unauthorized access to device APIs. The affected versions of Standard Notes for Android should be updated to version 3.201.25 or later to mitigate this risk. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.9 and severity of MEDIUM.

Defensive priority

Defenders should prioritize verifying and updating Standard Notes for Android to version 3.201.25 or later, and ensure that users are aware of the risks associated with importing untrusted notes.

Recommended defensive actions

• Verify and update Standard Notes for Android to version 3.201.25 or later
• Ensure users are aware of the risks associated with importing untrusted notes
• Monitor for suspicious activity related to note imports
• 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 CVSS score of 6.9 and severity of MEDIUM. However, the corpus lacks specific details on affected versions, exploitation, or remediation beyond updating to version 3.201.25.

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.