Seraphinite Accelerator <= 2.28.14 - Missing Authorization to Authenticated (Subscriber+) Log Clearing

4.3
Missing Authorization
CVE CVE-2026-3056
CVSS 4.3 (Medium)
Publicly Published March 3, 2026
Last Updated March 4, 2026
Researcher Nabil Irawan - Heroes Cyber Security

Description

The Seraphinite Accelerator plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `seraph_accel_api` AJAX action with `fn=LogClear` in all versions up to, and including, 2.28.14. This makes it possible for authenticated attackers, with Subscriber-level access and above, to clear the plugin's debug/operational logs.

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Vulnerability Details for Seraphinite Accelerator

Software Type Plugin
Software Slug seraphinite-accelerator (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.28.15, or a newer patched version
Affected Version
  • <= 2.28.14
Patched Version
  • 2.28.15

Recent vulnerabilities in Seraphinite Accelerator

# Title CVE ID CVSS Researchers Date
1 Seraphinite Accelerator <= 2.29.18 - Reflected Cross-Site Scripting CVE-2026-17532 6.1 Alireza August 4, 2026
2 Seraphinite Accelerator <= 2.28.14 - Authenticated (Subscriber+) Exposure of Sensitive Information to an Unauthorized Actor CVE-2026-3058 4.3 lucsob March 3, 2026
3 Seraphinite Accelerator <= 2.27.21 - Cross-Site Request Forgery to Multiple Administrative Actions CVE-2025-6059 4.3 Nabil Irawan April 29, 2025
4 Seraphinite Accelerator <= 2.22.15 (2.21.13 PRO) - Authenticated (Subscriber+) Information Exposure CVE-2024-54222 4.3 Dave Jong December 19, 2024
5 Seraphinite Accelerator <= 2.20.52 - Authenticated (Subscriber+) Server-Side Request Forgery in OnAdminApi_HtmlCheck CVE-2024-1568 6.4 Lucio Sá February 27, 2024
6 Seraphinite Accelerator <= 2.20.47 - Unauthenticated Sensitive Information Exposure via Log File CVE-2024-22138 5.3 Joshua Chan January 8, 2024
7 Seraphinite Accelerator <= 2.20.28 - Reflected Cross-Site Scripting via rt CVE-2023-49740 6.1 Le Ngoc Anh December 1, 2023
8 Seraphinite Accelerator (Base, cache only) <= 2.20.31 - Cross-Site Request Forgery CVE-2023-5611 4.3 Erwan LR October 29, 2023
9 Seraphinite Accelerator <= 2.20.28 - Arbitrary Redirect via 'redir' CVE-2023-5610 5.4 Erwan LR October 27, 2023
10 Seraphinite Accelerator <= 2.20.28 - Reflected Cross-Site Scripting via 'rt' CVE-2023-5609 6.1 Krzysztof Zając October 27, 2023

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