Social Media Share Buttons | MashShare < 2.3.1 — Information Disclosure
a1af63f6-329e-40b6-b786-302c608ac577Published · Updated Action summary
Affected: <2.3.1Update to 2.3.1 or newer
All remediation steps- Severity
- Medium5.3
- CVSS
- 5.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:LConfidentiality- Low
I:NIntegrity- None
A:NAvailability- None
- Weakness
- CWE-200 Information Exposure
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
MashShare – Social Media Share Buttons, Social Share Icons mashsharer
- Affected< 2.3.1
- Patched in2.3.1
Update to 2.3.1 or newer.
You are affected if you run < 2.3.1. Version 2.3.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under MashShare – Social Media Share Buttons, Social Share Icons.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 2.3.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch MashShare – Social Media Share Buttons, Social Share Icons to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to James Hooker.
The Social Media Share Buttons | MashShare plugin for WordPress is vulnerable to Information Disclosure in versions before 2.3.1 via the mashsb_process_actions function. This can allow unauthenticated attackers to extract sensitive data including configuration information.
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 MashShare – Social Media Share Buttons, Social Share Icons
All 5| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization ≤4.0.47No patch available | CVE-2025-22319 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via shortcode ≤3.8.6Update to 3.8.7 | CVE-2022-4544 | |
| Medium5.5 | Authenticated (Admin+) Stored Cross-Site Scripting ≤3.8.3Update to 3.8.4 | — | |
| Medium5.5 | Authenticated (Admin+) Stored Cross-Site Scripting ≤3.8.1Update to 3.8.2 | CVE-2021-36849 |
- Medium4.3Missing Authorization
≤4.0.47No patch available
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via shortcode
≤3.8.6Update to 3.8.7
- Medium5.5Authenticated (Admin+) Stored Cross-Site Scripting
≤3.8.3Update to 3.8.4
- Medium5.5Authenticated (Admin+) Stored Cross-Site Scripting
≤3.8.1Update to 3.8.2
Same weakness (Information Exposure)
All Information Exposure| 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 medium, CVSS 5.3
Record last updated
Sources & licenses
- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- 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.