Security readout for executives and security teams
Plain-English summary
CVE-2026-1942 lets any logged-in WordPress user, including a Subscriber, modify titles and content of arbitrary posts or pages through the Blog2Social plugin. This can damage site integrity, deface content, or alter business messaging. It requires an authenticated account, so risk is higher on sites with open registration or many low-privilege users.
Executive priority
Prioritize remediation for public-facing WordPress sites with user registration or many low-privilege accounts. Treat as moderate business urgency because attackers could alter public content without admin access, but the issue requires authentication and no active exploitation is documented in the provided sources.
Technical view
Blog2Social: Social Media Auto Post & Scheduler through 8.7.4 lacks proper authorization on the b2s_curation_draft AJAX action. The curationDraft() path checks current_user_can('read') but not edit_post for the target post. CVSS is 6.5 with high integrity impact and low attack complexity for authenticated Subscriber-level users.
Likely exposure
WordPress sites running Blog2Social versions up to and including 8.7.4 are potentially exposed. Exposure is most relevant where untrusted users can authenticate, such as public registration, customer portals, contributor communities, or compromised low-privilege accounts.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not listed as KEV. Exploitation requires valid WordPress credentials with at least Subscriber privileges. The vulnerability affects content integrity, not confidentiality or availability, based on the published CVSS vector.
Researcher notes
This is a CWE-862 missing authorization issue in an AJAX handler. The key control failure is using read capability instead of validating edit_post permission for the target object. Source references include vulnerable code paths and a trunk reference, but the provided bundle does not clearly name a fixed release.
Mitigation direction
- Identify all WordPress sites using the Blog2Social plugin.
- Check installed Blog2Social version and compare against 8.7.4.
- Update Blog2Social to a vendor-supported version newer than the affected range, if available.
- If no update is available, follow vendor or Wordfence guidance.
- Restrict public registration and remove unnecessary Subscriber accounts.
- Review recent post and page changes for unauthorized edits.
Validation and detection
- Confirm whether Blog2Social is installed and active.
- Verify the plugin version is not within the affected range.
- Review user roles with Subscriber or higher access.
- Audit post and page revision history for suspicious content changes.
- Check server and WordPress logs for unusual AJAX activity.
- Monitor vendor advisories for confirmed fixed-version details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-1942 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/930e7fd6-ae0b-465a-aa93-04ef80011d32?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/blog2social/tags/8.7.3/includes/Ajax/Post.php#L159CVE reference
- https://plugins.trac.wordpress.org/browser/blog2social/tags/8.7.3/includes/B2S/Curation/Save.php#L39CVE reference
- https://plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php?rev=3462464CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.