Speed Optimizer – The All-In-One Performance-Boosting Plugin < 7.8.5 — Missing Authorization
CVE-2026-111738Published · Updated Action summary
Affected: <7.8.5Update to 7.8.5 or newer
All remediation steps- Severity
- Low2.7
- CVSS
- 2.7CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-862 Missing Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- 0.3% chance in 30 days20th percentile
- CISA KEV
- Not listed
On this page8
Am I affected?
Speed Optimizer – The All-In-One Performance-Boosting Plugin sg-cachepress
- Affected< 7.8.5
- Patched in7.8.5
Update to 7.8.5 or newer.
You are affected if you run < 7.8.5. Version 7.8.5 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Speed Optimizer – The All-In-One Performance-Boosting Plugin.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 7.8.5, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Speed Optimizer – The All-In-One Performance-Boosting Plugin to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Karthik Ramakrishnan.
The Speed Optimizer – The All-In-One Performance-Boosting Plugin plugin for WordPress is vulnerable to unauthorized access in all versions up to 7.8.5. This is due to a missing capability check on a function. This makes it possible for authenticated attackers, with administrator-level access and above, to perform an unauthorized action.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Speed Optimizer – The All-In-One Performance-Boosting Plugin
All 5| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.4 | Authenticated (Administrator+) Stored Cross-Site Scripting <7.8.5Update to 7.8.5 | CVE-2026-111737 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via Image Tag Attributes ≤7.8.0Update to 7.8.1 | CVE-2026-15421 | |
| Medium5.3 | Missing Authorization via purge_on_other_events() ≤7.4.6Update to 7.5.0 | CVE-2024-32532 | |
| Critical9.8 | Missing Authorization <5.0.13Update to 5.0.13 | CVE-2019-25217 |
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
<7.8.5Update to 7.8.5
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Image Tag Attributes
≤7.8.0Update to 7.8.1
- Medium5.3Missing Authorization via purge_on_other_events()
≤7.4.6Update to 7.5.0
- Critical9.8Missing Authorization
<5.0.13Update to 5.0.13
Same weakness (Missing Authorization)
All Missing Authorization| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity low, CVSS 2.7
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- EPSS
- Exploit Prediction Scoring System by FIRST.org.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.