A HIGH-severity vulnerability identified as CVE-2025-11262 has been published on May 29, 2026 with a CVSS base score of 7.2. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.
Table of Contents
ToggleVulnerability Details
CVE ID: CVE-2025-11262
Severity: HIGH
CVSS Score: 7.2
Published: May 29, 2026
Weakness (CWE): CWE-79
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Confidentiality Impact | Low |
| Integrity Impact | Low |
| Availability Impact | None |
Technical Description
The Link Whisper Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user_id parameter in all versions up to, and including, 0.9.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Potential Impact
If exploited, this high-severity vulnerability could allow an attacker to cause significant damage to affected systems. Organizations running affected software should treat this as a priority remediation item.
Recommended Action
No official patch is available yet. Until one is released:
- Monitor the official NVD page and vendor channels for patch announcements.
- Restrict access to the affected system or service where possible.
- Apply network-level mitigations such as firewall rules or WAF policies.
- Enable logging and alerting for anomalous activity related to this vulnerability.
- Review your incident response plan in case of active exploitation.
References
Related Security Advisories
- [HIGH] CVE-2026-23926 — CVSS 7.3 (May 6, 2026) — HIGH / CVSS 7.3
- [HIGH] CVE-2026-23928 — CVSS 7.3 (May 6, 2026) — HIGH / CVSS 7.3
- [HIGH] CVE-2026-44604 — CVSS 7.0 (May 28, 2026) — HIGH / CVSS 7.0

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