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4.8
CVE-2021-25088: The XML Sitemaps WordPress plugin before 4.1.3 does not sanitise and escape a settings before outputting it in the Debug page, which could allow high privilege users to perform Cross-Site Scripting...
CVE-2021-25088 · published 4 years ago
Summary
The XML Sitemaps WordPress plugin before 4.1.3 does not sanitise and escape a settings before outputting it in the Debug page, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
What to do
- Update google_xml_sitemaps_project google_xml_sitemaps to version 4.1.3 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| google_xml_sitemaps_project | google_xml_sitemaps |
< 4.1.3 cpe:2.3:a:google_xml_sitemaps_project:google_xml_sitemaps:*:*:*:*:*:wordpress:*:* |
Original advisory text
The XML Sitemaps WordPress plugin before 4.1.3 does not sanitise and escape a settings before outputting it in the Debug page, which could allow high privilege users to perform Cross-Site Scripting...
The XML Sitemaps WordPress plugin before 4.1.3 does not sanitise and escape a settings before outputting it in the Debug page, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
References
- https://wpscan.com/vulnerability/820c51d6-186e-4d63-b4a7-bd0a59c02cc8 Exploit Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published20 Jun 2022
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-25088 · NVD
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