CVE-2022-1104
Published: 09 May 2022
Summary
CVE-2022-1104 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Code-Atlantic Popup Maker. Its CVSS base score is 4.8 (Medium).
Operationally, ranked in the top 5.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The Popup Maker WordPress plugin before version 1.16.5 contains a stored cross-site scripting vulnerability tracked as CVE-2022-1104. The root cause is missing sanitization and escaping of certain Popup settings, which permits injection of malicious script content even when the unfiltered_html capability has been disabled. The issue is classified under CWE-79 and carries a CVSS 3.1 score of 4.8.
High-privilege users such as site administrators can exploit the flaw to store persistent scripts that execute in the browsers of other visitors or users, achieving limited impact on confidentiality and integrity while leaving availability unaffected. The attack requires network access and user interaction but does not need the unfiltered_html permission.
The EPSS score has remained flat at a peak of 0.1350 with no material rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-24447
Vulnerability details
The Popup Maker WordPress plugin before 1.16.5 does not sanitise and escape some of its Popup settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.