Security readout for executives and security teams
Plain-English summary
CVE-2023-26013 is a stored cross-site scripting issue in the WordPress Strong Testimonials plugin through version 3.0.2. A contributor-level user or compromised contributor account could save malicious content that later runs in another user’s browser. The available sources do not report active exploitation.
Executive priority
Treat as a moderate-priority WordPress hygiene issue. It is not listed in KEV and needs authenticated access, but stored XSS can affect administrators or visitors if malicious content is viewed.
Technical view
The issue is authenticated stored XSS, CWE-79, in WPChill Strong Testimonials <= 3.0.2. CVSS 3.1 score is 6.5 with low attack complexity, low privileges required, user interaction required, and changed scope. The source bundle does not identify the vulnerable parameter, fixed version, or exact trigger path.
Likely exposure
Exposure is limited to WordPress sites running WPChill Strong Testimonials version 3.0.2 or earlier where contributor-or-higher accounts exist or may be compromised.
Exploitation context
No cited source or KEV status supports active exploitation. Practical risk depends on account access, where stored content is rendered, and whether privileged users view affected pages.
Researcher notes
The public bundle confirms product, version ceiling, CWE, CVSS, and privilege requirement, but lacks root-cause detail, exploit vector, patched version, and proof of exploitation. Avoid assuming broader WordPress or plugin-family impact.
Mitigation direction
- Inventory WordPress sites for Strong Testimonials installations and versions.
- Check WPChill and Patchstack guidance for the fixed or recommended version.
- Update or disable the plugin if vendor guidance recommends it.
- Restrict contributor-level access to trusted users until remediated.
- Review recent contributor activity for suspicious content changes.
Validation and detection
- Confirm whether Strong Testimonials is installed on each WordPress site.
- Verify plugin version is not 3.0.2 or earlier.
- Review contributor-or-higher accounts for unnecessary access.
- Check site and admin pages for unexpected script-like content.
- Document remediation status for each affected WordPress instance.
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-2023-26013 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source materials
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.