CVE-2023-51374
WordPress ZeroBounce Email Verification & Validation Plugin <= 1.0.11 is vulnerable to Cross Site Scripting (XSS)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZeroBounce ZeroBounce Email Verification & Validation allows Stored XSS.This issue affects ZeroBounce Email Verification & Validation: from n/a through 1.0.11.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
WordPress ZeroBounce Email Verification & Validation Plugin <= 1.0.11 is vulnerable to Cross Site Scripting (XSS)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZeroBounce ZeroBounce Email Verification & Validation allows Stored XSS.This issue affects ZeroBounce Email Verification & Validation: from n/a through 1.0.11.
- Record
CVE-2023-51374- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-56095
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZeroBounce ZeroBounce Email Verification & Validation allows Stored XSS.This issue affects ZeroBounce Email Verification & Validation: from n/a through 1.0.11.
- Record
EUVD-2023-56095- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g7px-8q4g-3hgh
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZeroBounce ZeroBounce Email Verification & Validation allows Stored XSS.This issue affects ZeroBounce Email Verification & Validation: from n/a through 1.0.11.
- Record
GHSA-g7px-8q4g-3hgh- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZeroBounce ZeroBounce Email Verification & Validation allows Stored XSS.This issue affects ZeroBounce Email Verification & Validation: from n/a through 1.0.11.
- Record
CVE-2023-51374- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-51374 is a medium vulnerability (CVSS 5.9) in Zerobounce Email Verification & Validation, published December 29, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.