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PatchSiren cyber security CVE debrief

CVE-2026-48885 Groundhogg CVE debrief

CVE-2026-48885 is a HIGH severity Unauthenticated Cross Site Scripting (XSS) vulnerability in HollerBox versions up to 2.3.10.1. The vulnerability has a CVSS score of 7.1 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-48885).

Vendor
Groundhogg
Product
HollerBox
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 HollerBox versions up to 2.3.10.1 should apply patches or mitigations as soon as possible to prevent exploitation.

Technical summary

The vulnerability is caused by improper input validation in HollerBox, allowing unauthenticated attackers to inject malicious scripts. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates to HollerBox versions up to 2.3.10.1 as soon as possible.
  • Review and restrict user input to prevent malicious script injection.

Evidence notes

Evidence for this vulnerability comes from Patchstack and the National Vulnerability Database (NVD).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48885 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48885

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

  • CVE-2026-48885 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48885

    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.