Security readout for executives and security teams
Plain-English summary
CVE-2026-25373 is a reflected cross-site scripting issue in the Vayvo WordPress theme by ProgressionStudios. Affected sites running versions before 6.8 could expose users or administrators to malicious links that run script in their browser. This is high severity, but it requires user interaction.
Executive priority
Prioritize remediation for public WordPress sites using Vayvo, especially sites with administrator or member login workflows. Treat as a near-term patching item, not an emergency exploitation incident, unless internal monitoring shows targeting.
Technical view
The issue is CWE-79 improper input neutralization during web page generation in the vayvo-progression WordPress theme. CVSS 3.1 is 7.1: network exploitable, low complexity, no privileges required, user interaction required, and scope changed with low confidentiality, integrity, and availability impact. Affected versions are Vayvo before 6.8.
Likely exposure
Exposure is limited to WordPress sites using the ProgressionStudios Vayvo / vayvo-progression theme below version 6.8. Sites not using this theme, or already on 6.8 or later, are not indicated as affected by the provided sources.
Exploitation context
The sources do not report active exploitation, and this CVE is not listed as KEV in the provided bundle. Exploitation would typically require a targeted user to interact with a crafted request or link, making administrator-facing exposure more concerning.
Researcher notes
Evidence is limited to the CVE record and Patchstack entry. The bundle identifies affected versions and CVSS characteristics but does not provide proof-of-concept details, exploit telemetry, or detailed vulnerable parameters. Avoid assuming exploitation in the wild without additional sourced evidence.
Mitigation direction
- Inventory WordPress sites for the Vayvo / vayvo-progression theme.
- Update Vayvo to version 6.8 or later where available.
- If update is unavailable, check Patchstack or vendor guidance for interim controls.
- Reduce administrator exposure to untrusted links until patched.
- Maintain current WordPress, plugin, and theme backups before changes.
Validation and detection
- Confirm whether the Vayvo theme is installed on each WordPress site.
- Record the installed Vayvo theme version.
- Verify affected installations are below version 6.8.
- After updating, confirm the installed version is 6.8 or later.
- Review web application security monitoring for suspicious reflected XSS attempts.
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-2026-25373 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
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.