Autoptimize <= 2.7.6 — Authenticated Arbitrary File Upload
CVE-2020-24948Published · Updated Action summary
Affected: ≤2.7.6Update to 2.7.7 or newer
All remediation steps- Severity
- High7.2
- CVSS
- 7.2CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-434 Arbitrary File Upload
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Autoptimize autoptimize
- Affected≤ 2.7.6
- Patched in2.7.7
Update to 2.7.7 or newer.
You are affected if you run ≤ 2.7.6. Version 2.7.7 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Autoptimize.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 2.7.7, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Autoptimize to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Nguyen Van Khanh.
The ao_ccss_import AJAX call in Autoptimize Wordpress Plugin 2.7.6 does not ensure that the file provided is a legitimate Zip file, allowing high privilege users to upload arbitrary files, such as PHP, leading to remote command execution.
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 Autoptimize
All 15| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.4 | Unauthenticated Stored Cross-Site Scripting via Comment Author Name ≤3.1.15.1Update to 3.1.16 | CVE-2026-78471 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via REQUEST_URI Path ≤3.1.15.1Update to 3.1.16 | CVE-2026-14995 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting <2.4.2Update to 2.4.2 | CVE-2026-3220 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via 'ao_post_preload' Meta Value ≤3.1.14Update to 3.1.15 | CVE-2026-2352 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via Lazy-loaded Image Attributes ≤3.1.14Update to 3.1.15 | CVE-2026-2430 |
- Medium5.4Unauthenticated Stored Cross-Site Scripting via Comment Author Name
≤3.1.15.1Update to 3.1.16
- High7.2Unauthenticated Stored Cross-Site Scripting via REQUEST_URI Path
≤3.1.15.1Update to 3.1.16
- High7.2Unauthenticated Stored Cross-Site Scripting
<2.4.2Update to 2.4.2
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'ao_post_preload' Meta Value
≤3.1.14Update to 3.1.15
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Lazy-loaded Image Attributes
≤3.1.14Update to 3.1.15
Same weakness (Arbitrary File Upload)
All Arbitrary File Upload| 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 high, CVSS 7.2
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.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.