Newsletter Popup <= 1.2 - Unauthenticated Stored XSS
Priority MEDIUM 60Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Newsletter Popup WordPress plugin through 1.2 does not sanitise and escape some of its settings, which could allow unauthenticated users to perform Stored Cross-Site Scripting attacks
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0051 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 | Newsletter Popup | up to 1.2 | — | No fix listed | CNA |
- Newsletter Popup VendorUnknown Affected up to 1.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:newsletter_popup_project:newsletter_popup:*:*:*:*:*:wordpress:*:* | up to 1.2 | Vulnerable | Newsletter Popup Project |
- cpe:2.3:a:newsletter_popup_project:newsletter_popup:*:*:*:*:*:wordpress:*:* Versions up to 1.2 Vulnerable ·Newsletter Popup Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0733
- 2026-10-03 Alias added: GHSA-xc2c-p2fc-pq4v
References
More Newsletter Popup Project Newsletter Popup vulnerabilities
- TI-2023-00726 Newsletter Popup <= 1.2 - Record Deletion via CSRF CVSS 3.1HIGH 8.8
Sources
- CVE-2023-0733 · CVE Program
- CVE-2023-0733 · NVD
- FIRST EPSS
- GHSA-xc2c-p2fc-pq4v · 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