Security readout for executives and security teams
Plain-English summary
CVE-2026-2282 is a stored cross-site scripting issue in the Slidorion WordPress plugin through version 1.0.2. It requires an authenticated administrator-level user. The reported impact is limited to WordPress multisite environments and installations where unfiltered_html is disabled.
Executive priority
Treat as a moderate-priority WordPress hygiene issue. It is unlikely to be broadly exploitable without admin access, but affected multisite environments should review exposure because compromised or delegated admins could inject persistent scripts into site pages.
Technical view
Insufficient sanitization and output escaping in Slidorion admin settings can allow administrator-level users to store web scripts that execute when an affected page is viewed. The issue is classified as CWE-79 with CVSS 3.1 score 4.4, reflecting high privileges required and limited confidentiality and integrity impact.
Likely exposure
Exposure appears limited to WordPress sites using Slidorion versions up to and including 1.0.2, specifically multisite deployments or configurations where unfiltered_html is disabled. Single-site installations with normal administrator unfiltered_html behavior may not match the stated affected scenario.
Exploitation context
No public source in the provided bundle indicates active exploitation, and the CVE is not listed as KEV. Exploitation requires administrator-level access, making this most relevant to insider risk, compromised admin accounts, or delegated administrators in multisite environments.
Researcher notes
The source bundle names the vulnerable area as Slidorion admin settings and references slidorion.php around line 212 in trunk and tag 1.0.2. No patch commit, fixed version, or active exploitation evidence is provided. The affected-version metadata appears inconsistent, so rely on the description stating through 1.0.2.
Mitigation direction
- Identify WordPress sites running the Slidorion plugin and record installed versions.
- Prioritize multisite environments and sites where unfiltered_html is disabled.
- Check Wordfence, WordPress plugin, and vendor guidance for an updated fixed version.
- If no fix is available, consider disabling the plugin where business impact permits.
- Limit administrator access and review delegated admin roles on affected WordPress sites.
Validation and detection
- Confirm whether Slidorion is installed and version is 1.0.2 or earlier.
- Determine whether the WordPress deployment is multisite.
- Check whether unfiltered_html is disabled for relevant administrator users.
- Review Slidorion settings for unexpected script-like content.
- Monitor administrative account activity for suspicious plugin setting changes.
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-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-2026-2282 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
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/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:H/PR:H/UI:N/S:C/C:L/I:L/A:N1.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:N/AC:H/PR:H/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/506a7351-07b9-4c0f-86c3-edfe04bac64c?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/slidorion/trunk/slidorion.php#L212CVE reference
- https://plugins.trac.wordpress.org/browser/slidorion/tags/1.0.2/slidorion.php#L212CVE 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.