CVE-2021-24567
Simple Post <= 1.1 - Authenticated Stored Cross-Site Scripting (XSS)
The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
- Record
CVE-2021-24567- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
Simple Post <= 1.1 - Authenticated Stored Cross-Site Scripting (XSS)
The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
- Record
CVE-2021-24567- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2021-11479
The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
- Record
EUVD-2021-11479- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6552-h6m4-jfx9
The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated...
The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
- Record
GHSA-6552-h6m4-jfx9- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24567 is a medium vulnerability (CVSS 5.4) in Nickmomrik Simple Post, published January 16, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.