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Bit Assist <= 1.7.1 — Authenticated (Admin+) Stored Cross-Site Scripting

CVE-2026-39070Published · Updated

Action summary

Affected: ≤1.7.1Update to 1.7.2 or newer

All remediation steps
Watch plugin
Severity
Medium4.4
CVSS
4.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:H Attack complexity
High
PR:H Privileges required
High
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat – Bit Assist bit-assist

  1. Affected≤ 1.7.1
  2. Patched in1.7.2

Update to 1.7.2 or newer.

You are affected if you run ≤ 1.7.1. Version 1.7.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat – Bit Assist.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 1.7.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat – Bit Assist to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Trenton Williams.

The Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat – Bit Assist plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.7.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat – Bit Assist

All 9
More vulnerabilities in Chat Widget: Floating Customer Support Button for 30+ Channels, Supporting SMS, Calls, and Chat – Bit Assist
SeverityVulnerabilityCVEPublished
Critical9.8Unauthenticated Arbitrary File Upload
≤1.8.1Update to 1.8.2
CVE-2026-16548
Medium5.3Missing Authorization
≤1.5.11Update to 1.6.0
CVE-2025-68596
Medium5.8Unauthenticated Path Traversal
≤1.5.4Update to 1.5.5
CVE-2025-30834
Medium6.5Path Traversal to Authenticated (Subscriber+) Arbitrary File Read via fileID Parameter
≤1.5.2Update to 1.5.3
CVE-2025-0822
Medium4.9Path Traversal to Authenticated (Administrator+) Arbitrary File Read via downloadResponseFile Function
≤1.5.2Update to 1.5.3
CVE-2024-13791

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting 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 medium, CVSS 4.4

  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.

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