Security readout for executives and security teams
Plain-English summary
CVE-2026-25351 affects the WordPress MyMedi theme before version 1.7.7. It is a reflected cross-site scripting issue, meaning a victim could be tricked into opening a malicious link that runs attacker-controlled script in their browser. This is most concerning for public WordPress sites and administrator sessions.
Executive priority
Prioritize remediation for public WordPress sites, especially those with administrator activity. This is high severity but not currently supported by source evidence of active exploitation. Treat it as a near-term patching item rather than an emergency unless MyMedi is widely deployed in your environment.
Technical view
The issue is CWE-79 improper neutralization during web page generation in skygroup MyMedi. CVSS 3.1 is 7.1 high: network exploitable, low complexity, no privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact. Sources do not identify the exact vulnerable parameter or request path.
Likely exposure
Exposure is likely limited to WordPress installations using the MyMedi theme earlier than 1.7.7. Internet-facing sites have higher practical risk because reflected XSS can be delivered through links or user-facing workflows.
Exploitation context
The CVSS vector indicates exploitation requires user interaction but no attacker authentication. The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. No public exploit details are provided in the supplied sources.
Researcher notes
Available sources confirm affected versions and CVSS but omit sink, source, parameter, and proof-of-concept details. Validation should focus on asset/version identification and monitoring for suspicious theme-related requests. Avoid assuming exploitability details beyond reflected XSS requiring user interaction.
Mitigation direction
- Inventory WordPress sites for the MyMedi theme and installed version.
- Update MyMedi to version 1.7.7 or later if available.
- If updates are unavailable, check vendor or Patchstack guidance before applying compensating controls.
- Review security controls that reduce XSS impact, such as least-privilege admin use.
Validation and detection
- Confirm whether the MyMedi theme is installed on each WordPress site.
- Verify the installed MyMedi version is 1.7.7 or later.
- Review web logs for unusual requests involving MyMedi theme pages.
- Check Patchstack and CVE records for updated technical details or remediation notes.
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-2026-25351 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/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.