OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain a stored cross-site scripting (XSS) vulnerability via the News Feed module.
Conclusion & alert: CVE-2022-34963 is rated High Exploit Risk (63.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.27%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-01-09 | 1.64% | 1.27% | -0.38% |
| 2 | 2025-11-21 | 1.36% | 1.64% | +0.28% |
| 3 | 2025-11-18 | — | 1.36% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openteknik | open_source_social_network | 6.3 | cpe:2.3:a:openteknik:open_source_social_network:6.3:*:*:*:lts:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/bypazs/CVE-2022-34963 | Exploit Third Party Advisory |
| https://github.com/opensource-socialnetwork/opensource-socialnetwork/releases/tag/6.3 | Release Notes Vendor Advisory |
| https://grimthereaperteam.medium.com/cve-2022-34963-ossn-6-3-lts-stored-xss-vulnerability-at-news-feed-b8ae8f2fa5f3 | Exploit Third Party Advisory |
| https://www.opensource-socialnetwork.org/ | Product |
| https://www.openteknik.com/contact?channel=ossn | Product |