An integer overflow when calculating physical offsets for sparse PMRs may result in 32-bit truncation of address computations for PMRs larger than 4 G...
Description
An integer overflow when calculating physical offsets for sparse PMRs may result in 32-bit truncation of address computations for PMRs larger than 4 GB. This can lead to incorrect GPU MMU mappings and may allow a non-privileged user to trigger access to unintended physical memory, resulting in memor
Remediation
Update Imagination Technologies Graphics DDK to the latest version. Monitor for exploitation attempts and review access logs.
---METADATA---
VENDOR: WordPress
PRODUCT: Newsletters
AFFECTED_VERSIONS: 0 up to 4.16
CONFIDENCE: high
MISSING: none
---END_METADATA---
Description Summary:
The Newsletters WordPress plugin is vulnerable to Server-Side Request Forgery (SSRF) due to improper input validation, allowing unauthenticated attackers to perform unauthorized requests.
Executive Summary:
The Newsletters WordPress plugin is affected by a critical Server-Side Request Forgery vulnerability that enables unauthenticated attackers to perform unauthorized server-side requests.
Vulnerability Details
CVE-ID: CVE-2026-16268
Affected Software: WordPress Newsletters
Affected Versions: 0 up to 4.16
Vulnerability: The plugin contains a Server-Side Request Forgery (SSRF) flaw, identified as CWE-918, which allows an unauthenticated attacker to manipulate server-side requests through the application.
Business Impact
Successful exploitation of this SSRF vulnerability can lead to unauthorized access to internal network resources, potentially exposing sensitive data or allowing an attacker to interact with services restricted to the internal network. With a CVSS score of 8.2, this high-severity flaw poses a significant risk to organizational confidentiality and integrity.
Remediation Plan
Immediate Action: Update the Newsletters WordPress plugin to version 4.16 or later immediately.
Proactive Monitoring: Monitor server access logs and outbound network traffic for suspicious requests originating from the web server.
Compensating Controls: Implement a Web Application Firewall (WAF) with rules configured to block suspicious external requests that may indicate SSRF probing.
Exploitation Status
Public Exploit Available: Unknown
Analyst Notes: As of August 6, 2026, there is no confirmed active exploitation in the wild; however, per CISA's SSVC assessment a proof-of-concept exists, so exploitation risk should be treated as credible. The nature of SSRF flaws often allows attackers to bypass perimeter security to scan internal infrastructure.
Analyst Recommendation
Given the high CVSS score and the existence of a proof-of-concept, organizations must prioritize patching this vulnerability. Administrators should apply the update to version 4.16 without delay to prevent potential unauthorized access to internal network resources.