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CVE-2026-40732 rainafarai CVE debrief

CVE-2026-40732 is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting the Notification for Telegram plugin up to version 3.5. The vulnerability has a CVSS score of 7.1, indicating a HIGH severity level. The CVE was published on 2026-06-15T21:16:48.763Z and last modified on 2026-06-15T21:24:32.790Z.

Vendor
rainafarai
Product
Notification for Telegram
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of the Notification for Telegram plugin, particularly those using version 3.5 or earlier, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is caused by an Unauthenticated Cross Site Scripting (XSS) issue in the Notification for Telegram plugin. This type of vulnerability allows an attacker to inject malicious scripts into the application, potentially leading to unauthorized actions or data breaches.

Defensive priority

HIGH

Recommended defensive actions

  • Update the Notification for Telegram plugin to a version that is not vulnerable.
  • Implement additional security measures to detect and prevent XSS attacks.

Evidence notes

The CVE record and details were obtained from official sources, including the CVE.org and NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-40732 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-40732

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

  • CVE-2026-40732 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-40732

    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.