A Reflected Authenticated Cross-Site Scripting (XSS) vulnerability in the Newsletter…
Priority LOW 30CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A Reflected Authenticated Cross-Site Scripting (XSS) vulnerability in the Newsletter plugin before 6.8.2 for WordPress allows remote attackers to trick a victim into submitting a tnpc_render AJAX request containing either JavaScript in an options parameter, or a base64-encoded JSON string containing JavaScript in the encoded_options parameter.
Why it matters now
EPSS 0.00865 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:thenewsletterplugin:newsletter:*:*:*:*:*:wordpress:*:* | before 6.8.2 | Vulnerable | Thenewsletterplugin |
- cpe:2.3:a:thenewsletterplugin:newsletter:*:*:*:*:*:wordpress:*:* Versions before 6.8.2 Vulnerable ·Thenewsletterplugin
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35933
- 2026-10-03 Alias added: GHSA-25x7-rqcx-mfwh
References
More Thenewsletterplugin Newsletter vulnerabilities
- TI-2025-03153 Newsletter < 8.8.2 - Admin+ Stored XSS via Subscription CVSS 3.1MEDIUM 4.8
- TI-2025-03152 Newsletter < 8.7.1 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2025-03151 Newsletter < 8.8.5 - Admin+ Stored XSS via Form CVSS 3.1MEDIUM 4.8
- TI-2025-03150 Newsletter < 8.8.5 - Admin+ Stored XSS via Widget CVSS 3.1MEDIUM 4.8
- TI-2022-01622 Newsletter < 7.4.5 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
- TI-2023-12513 Cross-site scripting in Stefano Lissa & The Newsletter Team Newsletter CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-35933 · CVE Program
- CVE-2020-35933 · NVD
- FIRST EPSS
- GHSA-25x7-rqcx-mfwh · GitHub Advisory Database · CC BY 4.0
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