CVE-2021-24592
Sitewide Notice WP < 2.3 - Authenticated Stored XSS
The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
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
- None
Exploit likelihood
What each source reports
NVD Score used
The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
CVE-2021-24592- 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 - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Sitewide Notice WP < 2.3 - Authenticated Stored XSS
The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
CVE-2021-24592- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11504 No score
The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
EUVD-2021-11504- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w8mm-7prp-fr25 No score
The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before...
The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- Record
GHSA-w8mm-7prp-fr25- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24592 is a medium vulnerability (CVSS 4.8) in Andrew Lima Sitewide Notice Wp, published August 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.