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Unauthenticated Cross Site Scripting (XSS) in Popup Maker <= 1.23.0 versions. (CVE-2026-28177)

0
High
Published: 08/06/2026 (08/06/2026, 15:32:45 UTC)
Source: GCVE Database

Description

An unauthenticated cross-site scripting (XSS) vulnerability exists in Popup Maker versions up to and including 1.23.0. This vulnerability allows an attacker to inject malicious scripts that can execute in the context of the victim's browser. The flaw does not require authentication and can lead to partial compromise of confidentiality, integrity, and availability.

CVSS v3.1

Score 7.1high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected software

Affected versions
<=1.23.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/06/2026, 18:26:11 UTC

Technical Analysis

CVE-2026-28177 is an unauthenticated cross-site scripting (XSS) vulnerability affecting Popup Maker versions up to 1.23.0. The vulnerability is classified under CWE-79 and has a CVSS v3.1 score of 7.1, indicating a high severity. The attack vector is network-based with low attack complexity and no privileges required. User interaction is required, and the vulnerability impacts confidentiality, integrity, and availability in a scope-changing manner. No patch or official fix information is provided in the available data.

Potential Impact

Successful exploitation of this vulnerability can allow an attacker to execute arbitrary scripts in the context of users' browsers without authentication. This can lead to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability of the affected system or user data.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider applying any recommended temporary mitigations from the vendor or restrict exposure of the vulnerable component. Monitoring for updates from the vendor is advised.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-3c69-9fr4-r5j6
Osv Schema Version
1.4.0
Aliases
["CVE-2026-28177"]
Ecosystems
[]
Database Specific Severity
HIGH
Cvss Version
3.1

Threat ID: 6a74d1a9bf8831d539237379

Added to database: 08/06/2026, 18:25:45 UTC

Last enriched: 08/06/2026, 18:26:11 UTC

Last updated: 08/06/2026, 20:40:59 UTC

Views: 8

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