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12 vulnerabilities by opensource-socialnetwork
CVE-2026-108950 (GCVE-0-2026-108950)
Vulnerability from nvd – Published: 2026-10-12 12:13 – Updated: 2026-10-12 12:13
VLAI
EPSS
VEX
Title
Open Source Social Network (OSSN) through 10.1 Missing Authorization via Album Photo Routes
Summary
Open Source Social Network (OSSN) through 10.1 contains a missing authorization vulnerability in ossn_album_page_handler that allows unauthenticated attackers to download files via album/getphoto and album/getcover. Attackers can enumerate sequential file GUIDs to retrieve friends-only album photos and other stored files without any access check.
Severity
5.3 (Medium)
CWE
- CWE-862 - Missing Authorization
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/opensource-socialnetwork/opens… | issue-tracking |
| https://github.com/opensource-socialnetwork/opens… | patch |
| https://hackmd.io/@leediay/multiple-ossn-v10_vulnerable | exploittechnical-description |
| https://github.com/opensource-socialnetwork/opens… | technical-description |
| https://github.com/opensource-socialnetwork/opens… | product |
| https://www.vulncheck.com/advisories/open-source-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opensource-socialnetwork | opensource-socialnetwork |
Affected:
0 , ≤ 10.1
(custom)
cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:* |
Date Public
2026-10-06 00:00
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CVE-2026-108164 (GCVE-0-2026-108164)
Vulnerability from nvd – Published: 2026-10-10 13:55 – Updated: 2026-10-13 18:29
VLAI
EPSS
VEX
Title
Open Source Social Network (OSSN) through 10.1 IDOR via Message Attachment Route
Summary
Open Source Social Network (OSSN) through 10.1 contains an insecure direct object reference vulnerability in components/OssnMessages/ossn_com.php that allows authenticated users to read other users' private message attachments. Attackers can request the /messages/attachment/{guid} route with sequential or guessed file GUIDs to retrieve attachments from private conversations without sender or recipient verification.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:29 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/opensource-socialnetwork/opens… | issue-tracking |
| https://github.com/opensource-socialnetwork/opens… | patch |
| https://hackmd.io/@leediay/ossn-idor-message-attachment | exploittechnical-description |
| https://github.com/opensource-socialnetwork/opens… | technical-description |
| https://github.com/opensource-socialnetwork/opens… | product |
| https://www.vulncheck.com/advisories/open-source-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opensource-socialnetwork | opensource-socialnetwork |
Affected:
0 , ≤ 10.1
(custom)
cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:* |
Date Public
2026-10-06 00:00
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CVE-2026-41309 (GCVE-0-2026-41309)
Vulnerability from nvd – Published: 2026-04-24 02:31 – Updated: 2026-04-24 18:17
VLAI
EPSS
VEX
Title
Open Source Social Network (OSSN) Vulnerable to Resource Exhaustion via Malicious Image Processing
Summary
Open Source Social Network (OSSN) is open-source social networking software developed in PHP. Versions prior to 9.0 are vulnerable to resource exhaustion. An attacker can upload a specially crafted image with extreme pixel dimensions (e.g., $10000 \times 10000$ pixels). While the compressed file size on disk may be small, the server attempts to allocate significant memory and CPU cycles during the decompression and resizing process, leading to a Denial of Service (DoS) condition. It is highly recommended to upgrade to OSSN 9.0. This version introduces stricter validation of image dimensions and improved resource management during the processing phase. Those who cannot upgrade immediately can mitigate the risk by adjusting their `php.ini` settings to strictly limit `memory_limit` and `max_execution_time` and/or implementing a client-side and server-side check on image headers to reject files exceeding reasonable pixel dimensions (e.g., $4000 \times 4000$ pixels) before processing begins.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 17:22 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/opensource-socialnetwork/opens… | x_refsource_CONFIRM |
| https://github.com/opensource-socialnetwork/opens… | x_refsource_MISC |
| https://github.com/opensource-socialnetwork/opens… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opensource-socialnetwork | opensource-socialnetwork |
Affected:
< 9.0
|
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CVE-2025-63585 (GCVE-0-2025-63585)
Vulnerability from nvd – Published: 2025-11-05 00:00 – Updated: 2025-11-06 21:21
VLAI
EPSS
VEX
Summary
OSSN (Open Source Social Network) 8.6 is vulnerable to SQL Injection in /action/rtcomments/status via the timestamp parameter.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-06 21:21 UTC
CWE
- n/a
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
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CVE-2025-63441 (GCVE-0-2025-63441)
Vulnerability from nvd – Published: 2025-11-03 00:00 – Updated: 2025-11-03 18:14
VLAI
EPSS
VEX
Summary
Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at endpoint u/administrator/friends.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-03 18:13 UTC
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2020-10560 (GCVE-0-2020-10560)
Vulnerability from nvd – Published: 2020-03-30 12:04 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://techanarchy.net/blog/cve-2020-10560-ossn-… | x_refsource_MISC |
| https://github.com/LucidUnicorn/CVE-2020-10560-Ke… | x_refsource_MISC |
Date Public
2020-03-14 00:00
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CVE-2026-108950 (GCVE-0-2026-108950)
Vulnerability from cvelistv5 – Published: 2026-10-12 12:13 – Updated: 2026-10-12 12:13
VLAI
EPSS
VEX
Title
Open Source Social Network (OSSN) through 10.1 Missing Authorization via Album Photo Routes
Summary
Open Source Social Network (OSSN) through 10.1 contains a missing authorization vulnerability in ossn_album_page_handler that allows unauthenticated attackers to download files via album/getphoto and album/getcover. Attackers can enumerate sequential file GUIDs to retrieve friends-only album photos and other stored files without any access check.
Severity
5.3 (Medium)
CWE
- CWE-862 - Missing Authorization
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/opensource-socialnetwork/opens… | issue-tracking |
| https://github.com/opensource-socialnetwork/opens… | patch |
| https://hackmd.io/@leediay/multiple-ossn-v10_vulnerable | exploittechnical-description |
| https://github.com/opensource-socialnetwork/opens… | technical-description |
| https://github.com/opensource-socialnetwork/opens… | product |
| https://www.vulncheck.com/advisories/open-source-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opensource-socialnetwork | opensource-socialnetwork |
Affected:
0 , ≤ 10.1
(custom)
cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:* |
Date Public
2026-10-06 00:00
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CVE-2026-108164 (GCVE-0-2026-108164)
Vulnerability from cvelistv5 – Published: 2026-10-10 13:55 – Updated: 2026-10-13 18:29
VLAI
EPSS
VEX
Title
Open Source Social Network (OSSN) through 10.1 IDOR via Message Attachment Route
Summary
Open Source Social Network (OSSN) through 10.1 contains an insecure direct object reference vulnerability in components/OssnMessages/ossn_com.php that allows authenticated users to read other users' private message attachments. Attackers can request the /messages/attachment/{guid} route with sequential or guessed file GUIDs to retrieve attachments from private conversations without sender or recipient verification.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:29 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/opensource-socialnetwork/opens… | issue-tracking |
| https://github.com/opensource-socialnetwork/opens… | patch |
| https://hackmd.io/@leediay/ossn-idor-message-attachment | exploittechnical-description |
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| https://github.com/opensource-socialnetwork/opens… | product |
| https://www.vulncheck.com/advisories/open-source-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opensource-socialnetwork | opensource-socialnetwork |
Affected:
0 , ≤ 10.1
(custom)
cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:* |
Date Public
2026-10-06 00:00
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CVE-2026-41309 (GCVE-0-2026-41309)
Vulnerability from cvelistv5 – Published: 2026-04-24 02:31 – Updated: 2026-04-24 18:17
VLAI
EPSS
VEX
Title
Open Source Social Network (OSSN) Vulnerable to Resource Exhaustion via Malicious Image Processing
Summary
Open Source Social Network (OSSN) is open-source social networking software developed in PHP. Versions prior to 9.0 are vulnerable to resource exhaustion. An attacker can upload a specially crafted image with extreme pixel dimensions (e.g., $10000 \times 10000$ pixels). While the compressed file size on disk may be small, the server attempts to allocate significant memory and CPU cycles during the decompression and resizing process, leading to a Denial of Service (DoS) condition. It is highly recommended to upgrade to OSSN 9.0. This version introduces stricter validation of image dimensions and improved resource management during the processing phase. Those who cannot upgrade immediately can mitigate the risk by adjusting their `php.ini` settings to strictly limit `memory_limit` and `max_execution_time` and/or implementing a client-side and server-side check on image headers to reject files exceeding reasonable pixel dimensions (e.g., $4000 \times 4000$ pixels) before processing begins.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 17:22 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/opensource-socialnetwork/opens… | x_refsource_CONFIRM |
| https://github.com/opensource-socialnetwork/opens… | x_refsource_MISC |
| https://github.com/opensource-socialnetwork/opens… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opensource-socialnetwork | opensource-socialnetwork |
Affected:
< 9.0
|
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CVE-2025-63585 (GCVE-0-2025-63585)
Vulnerability from cvelistv5 – Published: 2025-11-05 00:00 – Updated: 2025-11-06 21:21
VLAI
EPSS
VEX
Summary
OSSN (Open Source Social Network) 8.6 is vulnerable to SQL Injection in /action/rtcomments/status via the timestamp parameter.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-06 21:21 UTC
CWE
- n/a
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
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CVE-2025-63441 (GCVE-0-2025-63441)
Vulnerability from cvelistv5 – Published: 2025-11-03 00:00 – Updated: 2025-11-03 18:14
VLAI
EPSS
VEX
Summary
Open Source Social Network (OSSN) 8.6 is vulnerable to Cross Site Scripting (XSS) via the parameter param` at endpoint u/administrator/friends.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-03 18:13 UTC
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
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CVE-2020-10560 (GCVE-0-2020-10560)
Vulnerability from cvelistv5 – Published: 2020-03-30 12:04 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://techanarchy.net/blog/cve-2020-10560-ossn-… | x_refsource_MISC |
| https://github.com/LucidUnicorn/CVE-2020-10560-Ke… | x_refsource_MISC |
Date Public
2020-03-14 00:00
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