Security readout for executives and security teams
Plain-English summary
CVE-2026-1905 affects the Sphere Manager WordPress plugin. An authenticated user with Contributor-level access or higher could store script content through a shortcode width attribute. That script may run when someone views the affected page. This is not listed as actively exploited in the provided sources.
Executive priority
Treat as a moderate-priority WordPress content integrity risk. Prioritize sites with many contributors, external authors, or sensitive admin traffic. If the plugin is unused, removal is the simplest risk reduction.
Technical view
The issue is stored cross-site scripting in the show_sphere_image shortcode width parameter in Sphere Manager versions up to and including 1.0.2. The cited description attributes it to insufficient input sanitization and output escaping. CVSS is 6.4, with low privileges required and changed scope.
Likely exposure
Exposure is likely limited to WordPress sites running Sphere Manager up to version 1.0.2 and allowing Contributor-level or higher users to create content using the vulnerable shortcode.
Exploitation context
An attacker needs a valid WordPress account with Contributor or higher privileges. The impact is browser-side execution for users who view an injected page. The source bundle does not indicate CISA KEV listing or active exploitation.
Researcher notes
The CVE description and Wordfence entry identify stored XSS via the width shortcode attribute. WordPress Trac references point to plugin.php around line 232 for trunk and tag 1.0.2. The provided affected metadata is inconsistent, so rely on the narrative version range unless vendor guidance clarifies it.
Mitigation direction
- Inventory WordPress sites for the Sphere Manager plugin and version.
- Check vendor, WordPress plugin, and Wordfence guidance for an updated fixed release.
- Disable or remove the plugin if it is not business-critical.
- Restrict Contributor-level access to trusted users only.
- Review existing content using the show_sphere_image shortcode.
Validation and detection
- Confirm whether Sphere Manager is installed and at version 1.0.2 or earlier.
- Review WordPress roles for users with Contributor-level access or higher.
- Search content for show_sphere_image shortcode usage.
- Review affected pages for unexpected script behavior or unauthorized edits.
- Track vendor or plugin repository updates for remediation status.
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
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ATT&CK lookup starting points
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CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2026-1905 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/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:C/C:L/I:L/A:N3.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a27dfc37-81cf-4e95-a331-02fc952e34af?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/sphere-manager/trunk/plugin.php#L232CVE reference
- https://plugins.trac.wordpress.org/browser/sphere-manager/tags/1.0.2/plugin.php#L232CVE 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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.