Popup Box Pro < 20.9.0 - Admin+ Stored XSS
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Popup Box WordPress plugin before 20.9.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0048 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Popup Box (Unknown): 20.9.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Popup Box | 20.8.7 to before 20.9.0 | 20.9.0 | Patch available | CNA |
- Popup Box VendorUnknown Affected 20.8.7 to before 20.9.0 Fixed in 20.9.0 Patch available CNA
Remediation
- Fix · CNA Popup Box (Unknown) Fixed in 20.9.0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6591
- 2026-10-03 Alias added: GHSA-vmf7-pmx8-44w6
References
More Ays Pro Popup Box vulnerabilities
- TI-2025-14239 Popup Box AYS Pro < 5.5.0 - Admin+ Stored Cross-Site Scripting (XSS) via CSRF CVSS 3.1MEDIUM 5.4
- TI-2024-08906 Popup Box < 4.7.8 - Admin+ Stored XSS CVSS 3.1MEDIUM 5.4
- TI-2023-05409 Popup box < 3.8.6 - Admin+ Stored XSS in Popup Settings CVSS 3.1MEDIUM 4.8
- TI-2023-04916 Popup Box < 3.7.9 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2023-04056 Popup box < 3.7.2 - Admin+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 4.8
- TI-2021-06749 Popup Like box - Page Plugin < 3.5.3 - Authenticated Blind SQL Injections CVSS 3.1HIGH 8.8
Sources
- CVE-2023-6591 · CVE Program
- CVE-2023-6591 · NVD
- FIRST EPSS
- GHSA-vmf7-pmx8-44w6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences