PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-52698 Syed Balkhi CVE debrief

CVE-2026-52698 is a HIGH-severity vulnerability (CVSS Score: 7.4) in the PushEngage – Web Push Notifications, eCommerce Automation & Chat Widget plugin versions <= 4.2.3. This vulnerability exposes sensitive subscriber data. The issue was published on 2026-06-17 and last modified on 2026-06-17. Users of affected versions should take immediate action to mitigate potential risks. The vulnerability allows attackers to access sensitive information with low privileges. Successful exploitation requires low attack complexity and no user interaction.

Vendor
Syed Balkhi
Product
PushEngage – Web Push Notifications, eCommerce Automation &amp; Chat Widget
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Administrators and users of the PushEngage – Web Push Notifications, eCommerce Automation & Chat Widget plugin versions <= 4.2.3 should be aware of this vulnerability. This includes eCommerce site owners and administrators who use this plugin for web push notifications and automation.

Technical summary

The CVE-2026-52698 vulnerability is classified as a Subscriber Sensitive Data Exposure issue in the PushEngage plugin. It has a CVSS Score of 7.4 and a CVSS Severity of HIGH. The vulnerability is characterized by the following CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L. This indicates that the vulnerability can be exploited over the network (AV:N) with low attack complexity (AC:L) and low privileges (PR:L), without requiring user interaction (UI:N). The exploitation can lead to low impacts on confidentiality (C:L), integrity (I:L), and availability (A:L).

Defensive priority

HIGH

Recommended defensive actions

  • Update the PushEngage – Web Push Notifications, eCommerce Automation & Chat Widget plugin to a version greater than 4.2.3.
  • Restrict access to sensitive data and ensure proper authorization mechanisms are in place.
  • Monitor plugin usage and subscriber data for any suspicious activity.
  • Implement additional security measures such as web application firewalls (WAFs) to detect and prevent exploitation attempts.
  • Regularly review and update plugins and software to ensure the latest security patches are applied.
  • Consider using secure communication protocols (e.g., HTTPS) to protect data in transit.

Evidence notes

The information provided is based on data from official sources, including the CVE.org and NVD. The CVE record and NVD detail pages provide comprehensive information about the vulnerability. Additional details can be found in the mitigation or vendor reference provided by Patchstack.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-52698 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-52698

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-52698 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-52698

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

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.