AddToAny Share Buttons <= 1.7.14 — HTTP Host Header Injection
7cc86970-7e63-47d0-9971-ddd0fc992a5aPublished · Updated Action summary
Affected: ≤1.7.14Update to 1.7.15 or newer
All remediation steps- Severity
- Medium4.7
- CVSS
- 4.7CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:RUser interaction- Required
S:CScope- Changed
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-20 Improper Input Validation
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
AddToAny Share Buttons add-to-any
- Affected≤ 1.7.14
- Patched in1.7.15
Update to 1.7.15 or newer.
You are affected if you run ≤ 1.7.14. 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 AddToAny Share Buttons.
- 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 1.7.15, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch AddToAny Share Buttons to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Paul Dannewitz.
The AddToAny Share Buttons plugin for WordPress is vulnerable to Host Header Injections in versions up to, and including, 1.7.14. This is due to a failure to properly validate the HTTP request header. This makes it possible for unauthorized attackers to poison the website cache and log users credentials.
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 AddToAny Share Buttons
All 3| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.8 | Authenticated Stored Cross-Site Scripting <1.7.48Update to 1.7.48 | CVE-2021-24616 | |
| Medium5.4 | Authenticated Stored Cross-Site Scripting <1.7.46Update to 1.7.46 | CVE-2021-24568 |
- Medium4.8Authenticated Stored Cross-Site Scripting
<1.7.48Update to 1.7.48
- Medium5.4Authenticated Stored Cross-Site Scripting
<1.7.46Update to 1.7.46
Timeline
CVE published
Severity medium, CVSS 4.7
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.