Security readout for executives and security teams
Plain-English summary
CVE-2026-25343 is a medium-severity DOM-based cross-site scripting issue in the WordPress WP SMS plugin from VeronaLabs, affecting versions up to 7.1. It could let an authenticated, high-privilege attacker influence a user’s browser session if user interaction occurs. No active exploitation is indicated in the provided sources.
Executive priority
Treat this as a routine but timely WordPress plugin remediation item. It is not currently evidenced as exploited, but affected sites should be inventoried and updated or mitigated once vendor guidance is confirmed.
Technical view
The vulnerability is CWE-79: improper neutralization of input during web page generation. CVSS 3.1 is 5.9 with AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L. The issue is DOM-based XSS in wp-sms through version 7.1, requiring high privileges and user interaction, with limited confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on WordPress sites with the VeronaLabs WP SMS plugin installed at version 7.1 or earlier. Risk is lower than unauthenticated XSS because exploitation requires high privileges and user interaction, but affected administrative environments still warrant review.
Exploitation context
The provided sources do not show known active exploitation, and the CVE is not marked in KEV. The CVSS vector indicates network reachability, low attack complexity, high privileges required, and required user interaction. No exploit procedure is provided in the sources.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference. The bundle does not identify a fixed version, specific affected component, proof of concept, or exploit activity. Avoid assuming broader VeronaLabs products are affected beyond WP SMS through 7.1.
Mitigation direction
- Inventory WordPress sites for the WP SMS plugin and installed version.
- If running WP SMS 7.1 or earlier, check VeronaLabs and Patchstack guidance.
- Apply any vendor-provided update or mitigation when available.
- Disable or remove the plugin where it is not business-critical.
- Limit high-privilege WordPress accounts to trusted administrators only.
Validation and detection
- Confirm whether the wp-sms plugin is installed on each WordPress site.
- Record the installed plugin version and compare against version 7.1 or earlier.
- Review vendor or Patchstack advisories for fixed-version information.
- Check administrative access controls for unnecessary high-privilege users.
- Monitor security tooling for XSS alerts involving WordPress administrative pages.
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-2026-25343 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
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/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.