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4 vulnerabilities by adenion
CVE-2026-89031 (GCVE-0-2026-89031)
Vulnerability from cvelistv5 – Published: 2026-09-16 14:03 – Updated: 2026-10-01 15:21
VLAI
EPSS
VEX
Title
Blog2Social WordPress Plugin < 9.1.0 Broken Access Control via b2s_calendar_move_post
Summary
Adenion Blog2Social plugin for WordPress before 9.1.0 allows low-privileged users to modify the scheduled post records of other users. The b2s_calendar_move_post AJAX handler in includes/Ajax/Post.php issues an UPDATE against the b2s_posts table using only the attacker-supplied b2s_id primary key with no blog_user_id ownership constraint, allowing any user with the edit_posts capability to reschedule, suppress, or alter the publication state of any other user's scheduled social media post.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 17:44 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/blog2social/#developers | release-notespatch |
| https://www.vulncheck.com/advisories/blog2social-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adenion | Blog2Social |
Affected:
0 , < 9.1.0
(semver)
cpe:2.3:a:adenion:blog2social:*:*:*:*:*:wordpress:*:* |
Date Public
2026-09-16 00:00
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CVE-2026-89030 (GCVE-0-2026-89030)
Vulnerability from cvelistv5 – Published: 2026-09-16 14:01 – Updated: 2026-10-01 15:21
VLAI
EPSS
VEX
Title
Blog2Social WordPress Plugin < 9.1.0 User Email Disclosure via b2s_search_user
Summary
Adenion Blog2Social plugin for WordPress before 9.1.0 exposes the email addresses of all registered WordPress users to low-privileged accounts. The b2s_search_user AJAX handler in includes/Ajax/Get.php invokes B2S_Tools::searchUser() in includes/Tools.php, which returns the email address of every matching user without restricting access to callers holding the list_users capability, allowing any user with the edit_posts capability to retrieve user email addresses including those of administrators.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 15:26 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/blog2social/#developers | release-notespatch |
| https://www.vulncheck.com/advisories/blog2social-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adenion | Blog2Social |
Affected:
0 , < 9.1.0
(semver)
cpe:2.3:a:adenion:blog2social:*:*:*:*:*:wordpress:*:* |
Date Public
2026-09-16 00:00
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CVE-2026-89029 (GCVE-0-2026-89029)
Vulnerability from cvelistv5 – Published: 2026-09-16 13:59 – Updated: 2026-10-01 15:21
VLAI
EPSS
VEX
Title
Blog2Social WordPress Plugin < 9.1.0 User Enumeration via AJAX Handler
Summary
Adenion Blog2Social plugin for WordPress before 9.1.0 allows low-privileged users to enumerate WordPress user accounts. The b2s_get_select_mandant_user AJAX handler in includes/Ajax/Get.php resolves arbitrary user IDs supplied in the owner parameter to display names without verifying that the caller is authorized to read user account data, allowing any user with the edit_posts capability to map WordPress user IDs to display names and confirm account existence for arbitrary IDs.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 19:16 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/blog2social/#developers | release-notespatch |
| https://www.vulncheck.com/advisories/blog2social-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adenion | Blog2Social |
Affected:
0 , < 9.1.0
(semver)
cpe:2.3:a:adenion:blog2social:*:*:*:*:*:wordpress:*:* |
Date Public
2026-09-16 00:00
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CVE-2026-56044 (GCVE-0-2026-56044)
Vulnerability from cvelistv5 – Published: 2026-06-26 14:52 – Updated: 2026-06-26 16:57
VLAI
EPSS
VEX
Title
WordPress Blog2Social plugin <= 8.9.2 - Cross Site Scripting (XSS) vulnerability
Summary
Unauthenticated Cross Site Scripting (XSS) in Blog2Social <= 8.9.2 versions.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 16:56 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
Patchstack
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adenion | Blog2Social |
Affected:
n/a , ≤ 8.9.2
(custom)
|
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