Security readout for executives and security teams
Plain-English summary
CVE-2026-0813 affects the WordPress Short Link plugin up to version 1.0. A logged-in administrator could save malicious script in plugin settings, causing it to run when the affected page is viewed. Business risk is limited by the need for administrator access, but compromised or shared admin accounts could turn this into a site integrity and user-trust issue.
Executive priority
Treat as a routine but timely WordPress hygiene item. The vulnerability requires administrator privileges, reducing immediate likelihood, but it can damage site integrity if an admin account is misused. Prioritize inventory, admin access review, and plugin removal or update if guidance becomes available.
Technical view
The issue is stored cross-site scripting in the Short Link plugin’s administration settings page. The reported parameters are short_link_post_title and short_link_page_title. Public sources attribute the flaw to insufficient input sanitization and output escaping. CVSS 3.1 is 4.4: network exploitable, high complexity, high privileges required, scope changed, low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress sites using the Short Link plugin in versions up to and including 1.0. Exploitation requires an authenticated administrator-level account or higher. Sites without the plugin, or without affected versions, are not indicated as exposed by the provided sources.
Exploitation context
The CVE is not listed as CISA KEV in the provided data, and no cited source states active exploitation. The practical risk is highest where administrator accounts are shared, weakly protected, or already compromised. The stored script would execute when a user accesses the injected page.
Researcher notes
Evidence identifies the vulnerable parameters and code location, but the provided sources do not name a fixed version. The affected-version metadata is internally inconsistent: the description says up to and including 1.0, while the affected object lists version 0. Use the narrative description and referenced plugin code for triage, and verify against vendor records.
Mitigation direction
- Inventory WordPress sites for the Short Link plugin and its installed version.
- If not business-critical, disable or remove the plugin pending vendor guidance.
- Check Wordfence, WordPress plugin records, and vendor channels for a fixed release.
- Restrict and review administrator access on sites using the plugin.
- Monitor affected sites for unexpected changes to Short Link settings.
Validation and detection
- Confirm whether Short Link is installed on each WordPress site.
- Verify whether the installed version is 1.0 or earlier.
- Review plugin settings for unexpected values in post and page title fields.
- Check whether any fixed version is available from official plugin sources.
- Review admin account activity around plugin settings 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-2026-0813 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/8623d2cc-dcdd-4453-9a86-669bdd44eae1?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/short-link/tags/1.0/short-link.php#L118CVE reference
- https://plugins.trac.wordpress.org/browser/short-link/trunk/short-link.php#L118CVE 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.