An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8.
Priority LOW 25CWE-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 · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. The comment posting functionality allows an attacker to add an XSS payload to the JSON request that will execute when users visit the page with the comment.
Why it matters now
EPSS 0.00616 49th 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:onyaktech_comments_pro_project:onyaktech_comments_pro:3.8:*:*:*:*:*:*:* | 3.8 | Vulnerable | Onyaktech Comments Pro Project |
- cpe:2.3:a:onyaktech_comments_pro_project:onyaktech_comments_pro:3.8:*:*:*:*:*:*:* Versions 3.8 Vulnerable ·Onyaktech Comments Pro Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33483
- 2026-10-03 Alias added: GHSA-m4jf-3r59-83j5
References
More Onyaktech Comments Pro Project Onyaktech Comments Pro vulnerabilities
- TI-2021-12887 An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. CVSS 3.1HIGH 7.5
Sources
- CVE-2021-33483 · CVE Program
- CVE-2021-33483 · NVD
- FIRST EPSS
- GHSA-m4jf-3r59-83j5 · 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