Security readout for executives and security teams
Plain-English summary
CVE-2026-0563 affects a WordPress plugin used for Google Street View, 360° tours, maps, and local SEO. A logged-in user with Contributor-level access or higher can store malicious script in a shortcode. The script runs when someone views the affected page. This is a medium-risk issue, mainly concerning sites that allow untrusted contributors.
Executive priority
Prioritize for WordPress sites with multiple authors, contractors, or public contributor workflows. For single-admin sites, urgency is lower but still warrants routine patching because account compromise could turn this into stored site scripting.
Technical view
The vulnerability is stored cross-site scripting in the plugin’s 'wpgsv_map' shortcode through insufficient input sanitization and output escaping. Reported affected versions are all versions up to and including 1.1.8. CVSS 3.1 is 6.4 with low attack complexity and low privileges required. The referenced WordPress Trac change modifies shortcode handling.
Likely exposure
Exposure is likely limited to WordPress sites running this plugin at version 1.1.8 or earlier, especially where Contributor or higher accounts are assigned to untrusted users, agencies, authors, or compromised accounts.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires authenticated access with Contributor-level privileges or above, then victim page viewing for script execution.
Researcher notes
Evidence is limited to the CVE description, Wordfence entry, and WordPress Trac changeset. The bundle identifies shortcode-based stored XSS and affected versions through 1.1.8, but does not provide proof of exploitation in the wild or complete vendor release notes.
Mitigation direction
- Inventory WordPress sites for the affected plugin and versions up to 1.1.8.
- Update the plugin if a fixed version is available from WordPress or the vendor.
- Review vendor and Wordfence guidance for confirmed remediation details.
- Restrict Contributor and higher roles to trusted users only.
- Remove or disable the plugin if it is unnecessary and no fix is available.
Validation and detection
- Check installed plugin version on each WordPress site.
- Search content for use of the 'wpgsv_map' shortcode.
- Review recent changes by Contributor-level and higher accounts.
- Confirm whether shortcode.php includes the referenced sanitization and escaping changes.
- Monitor pages using the shortcode for unexpected script behavior.
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-2026-0563 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
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.