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Advanced scrollbar <= 1.1.8 — Authenticated (Subscriber+) Privilege Escalation

CVE-2025-49900Published · Updated

Action summary

Affected: ≤1.1.8Update to 1.1.9 or newer

All remediation steps
Watch plugin
Severity
High8.8
CVSS
8.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-269 Privilege Escalation
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Advanced Scrollbar – Give Your Site a Sleek Branded Scrolling Feel advanced-scrollbar

  1. Affected≤ 1.1.8
  2. Patched in1.1.9

Update to 1.1.9 or newer.

You are affected if you run ≤ 1.1.8. Version 1.1.9 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Advanced Scrollbar – Give Your Site a Sleek Branded Scrolling Feel.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 1.1.9, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Advanced Scrollbar – Give Your Site a Sleek Branded Scrolling Feel to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Denver Jackson.

The Advanced Scrollbar – Custom Scrollbar Styling and Behavior plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.1.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that of an administrator.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Advanced Scrollbar – Give Your Site a Sleek Branded Scrolling Feel

All 2
More vulnerabilities in Advanced Scrollbar – Give Your Site a Sleek Branded Scrolling Feel
SeverityVulnerabilityCVEPublished
Medium6.1Reflected DOM-Based Cross-Site Scripting via url Parameter
≤5.5.8Update to 5.5.9
CVE-2024-13362

Same weakness (Privilege Escalation)

All Privilege Escalation
Other Privilege Escalation vulnerabilities
SeverityVulnerabilityCVEPublished
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
CVE-2026-120688
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
CVE-2026-125055
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
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 8.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. 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.

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