CVE-2026-48885 HIGH

CVE-2026-48885: WordPress HollerBox plugin <= 2.3.10.1 - Cross Site Scripting (XSS) vulnerability

Vendor Groundhogg

Product HollerBox

Weakness CWE-79 · XSS

Published June 15, 2026

Last update June 16, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) in HollerBox <= 2.3.10.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

HollerBox versions up to 2.3.10.1 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. An attacker with no authentication can craft a payload that executes in victims' browsers, potentially stealing session data or performing actions on their behalf.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers when they visit a crafted link.

Potential impact on your site

04Site Impact

Users' sessions and data can be compromised if they click malicious links; site reputation and user trust at risk.

Conditions required to exploit

05Prerequisites

Victim must click a malicious link or visit an attacker-controlled page; no authentication required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

June 16, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-48885 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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