Missing authorization in pr-gateway Blog2Social: Social Media Auto Post & Scheduler
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to unauthorized data loss in all versions up to, and including, 8.8.2. This is due to the resetSocialMetaTags() function only verifying that the user has the 'read' capability and a valid b2s_security_nonce, both of which are available to Subscriber-level users, as the plugin grants 'blog2social_access' capability to all roles upon activation, allowing them to access the plugin's admin pages where the nonce is output. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete all _b2s_post_meta records from the wp_postmeta table, permanently removing all custom social media meta tags for every post on the site.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| pr-gateway | Blog2Social: Social Media Auto Post & Scheduler | up to 8.8.2 | — | No fix listed | CNA |
- Blog2Social: Social Media Auto Post & Scheduler Vendorpr-gateway Affected up to 8.8.2 Fixed in — No fix listed CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adenion:blog2social:*:*:*:*:*:*:*:* | — | — | pr-gateway |
- cpe:2.3:a:adenion:blog2social:*:*:*:*:*:*:*:* Versions — — ·pr-gateway
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4331
- 2026-10-03 Alias added: GHSA-x2p4-4cw9-m5ch
References
Other 10
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7dc46bc4-ecfb-438f-b951-7b957489cd96?source=cve
- https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L1290
- https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L1290
- https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L1281
- https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L1281
- https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php#L37
- https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php#L37
- https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Loader.php#L2202
- https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Loader.php#L2202
- https://plugins.trac.wordpress.org/browser/blog2social/tags/8.8.3/includes/Ajax/Post.php#L1301
More pr-gateway vulnerabilities
- TI-2022-02999 Blog2Social < 6.9.10 - Subscriber+ SQLi CVSS 3.1HIGH 8.8
- TI-2022-03000 Blog2Social < 6.9.10 - Subscriber+ SSRF CVSS 3.1MEDIUM 6.5
- TI-2023-03658 Blog2Social < 7.2.1 - Reflected XSS CVSS 3.1MEDIUM 6.1
- TI-2025-03671 Blog2Social: Social Media Auto Post & Scheduler < 8.4.0 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
- TI-2019-10204 The Adenion Blog2Social plugin through 5.5.0 for WordPress allows SQL Injection. CVSS 3.1CRITICAL 9.8
- TI-2024-03309 Blog2Social: Social Media Auto Post & Scheduler <= 7.4.1 - Authenticated (Subscriber+) SQL Injection CVSS 3.1CRITICAL 9.9
Sources
- CVE-2026-4331 · CVE Program
- CVE-2026-4331 · NVD
- FIRST EPSS
- GHSA-x2p4-4cw9-m5ch · 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