Security readout for executives and security teams
Plain-English summary
CVE-2026-0950 can expose excerpts from password-protected WordPress posts when the Spectra Gutenberg Blocks plugin renders certain post-listing blocks. It does not expose full posts, change data, or take sites offline based on current sources. Business urgency depends on whether protected post excerpts contain sensitive information.
Executive priority
Treat as a moderate-priority privacy exposure. Prioritize sites where password-protected posts contain customer, employee, financial, legal, or pre-release business information in excerpts. Routine patching is appropriate unless sensitive excerpts are present.
Technical view
Spectra Gutenberg Blocks up to and including 2.19.17 fails to check post_password_required() before rendering excerpts in render_excerpt() and uagb_get_excerpt(). Unauthenticated users may see excerpts of password-protected posts through Spectra Post Grid, Post Masonry, Post Carousel, or Post Timeline blocks. CVSS is 5.3, CWE-200.
Likely exposure
Public WordPress sites using Spectra Gutenberg Blocks <= 2.19.17 are potentially exposed if pages contain the affected Spectra post display blocks and include password-protected posts in their output.
Exploitation context
Sources describe unauthenticated network access with low complexity and no user interaction. The source bundle does not indicate CISA KEV listing or active exploitation. Impact is limited to confidentiality of excerpts from password-protected posts.
Researcher notes
The key issue is missing password-protection checks before excerpt rendering. Compare tag 2.19.17 with trunk and the referenced changeset for remediation evidence. Public sources provide affected-version and code-location detail, but the source bundle does not name a specific fixed release.
Mitigation direction
- Inventory WordPress sites using the Spectra Gutenberg Blocks plugin.
- Update the plugin when a vendor-supported version newer than 2.19.17 is available.
- Review vendor or WordPress plugin repository guidance for the confirmed fixed release.
- Remove affected Spectra post-listing blocks from public pages until remediated.
- Avoid placing sensitive content in excerpts of password-protected posts.
Validation and detection
- Check installed Spectra Gutenberg Blocks version on each WordPress site.
- Identify public pages using Post Grid, Post Masonry, Post Carousel, or Post Timeline blocks.
- Review whether password-protected posts can appear in those blocks.
- Confirm remediation by retesting that protected post excerpts are not publicly displayed.
- Monitor Wordfence and WordPress plugin repository entries for updated fix 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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-0950 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ccaccf03-4162-4365-9f12-0363a78e91d4?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/trunk/blocks-config/post/class-uagb-post.php#L1303CVE reference
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.17/blocks-config/post/class-uagb-post.php#L1303CVE reference
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/trunk/classes/class-uagb-helper.php#L1403CVE reference
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.17/classes/class-uagb-helper.php#L1403CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3443216%40ultimate-addons-for-gutenberg%2Ftrunk&old=3410395%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail=CVE 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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.