An issue was discovered in Open Source Social Network (OSSN) through 5.3.
Priority LOW 33CWE-338Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.
Why it matters now
EPSS 0.03797 90th 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:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:* | up to 5.3 | Vulnerable | opensource-socialnetwork |
- cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:* Versions up to 5.3 Vulnerable ·opensource-socialnetwork
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10560
- 2026-10-03 Alias added: GHSA-4ppm-32h4-4764
- 2026-11-03 EPSS moved to the 90th–95th percentile
References
More opensource-socialnetwork Open Source Social Network vulnerabilities
- TI-2025-39373 OSSN (Open Source Social Network) 8.6 is vulnerable to SQL Injection in… CVSS 3.1MEDIUM 6.5
- TI-2025-39316 Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the… CVSS 3.1HIGH 7.3
Sources
- CVE-2020-10560 · CVE Program
- CVE-2020-10560 · NVD
- FIRST EPSS
- GHSA-4ppm-32h4-4764 · GitHub Advisory Database · CC BY 4.0
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