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Slick Popup: Contact Form 7 Popup Plugin <= 1.7.14 — Authenticated (Admin+) Stored Cross-Site Scripting

CVE-2023-46824Published · Updated

Action summary

Affected: <1.7.15Update to 1.7.15 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?

Slick Popup: Contact Form 7 Popup Plugin slick-popup

  1. Affected< 1.7.15
  2. Patched in1.7.15

Update to 1.7.15 or newer.

You are affected if you run < 1.7.15. Version 1.7.15 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Slick Popup: Contact Form 7 Popup Plugin.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 1.7.15, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Slick Popup: Contact Form 7 Popup Plugin to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Huynh Tien Si.

The Slick Popup: Contact Form 7 Popup Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the main heading parameter in all versions up to 1.7.15 (exclusive) due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, 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 Slick Popup: Contact Form 7 Popup Plugin

All 2
More vulnerabilities in Slick Popup: Contact Form 7 Popup Plugin
SeverityVulnerabilityCVEPublished
High8.8Privilege Escalation
<1.7.2Update to 1.7.2
CVE-2019-15867

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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