CVE-2021-23209
WordPress AMP for WP – Accelerated Mobile Pages plugin <= 1.0.77.32 - Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities
Multiple Authenticated (admin user role) Persistent Cross-Site Scripting (XSS) vulnerabilities discovered in AMP for WP – Accelerated Mobile Pages WordPress plugin (versions <= 1.0.77.32).
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
CVE List Score used
4.8
WordPress AMP for WP – Accelerated Mobile Pages plugin <= 1.0.77.32 - Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities
Multiple Authenticated (admin user role) Persistent Cross-Site Scripting (XSS) vulnerabilities discovered in AMP for WP – Accelerated Mobile Pages WordPress plugin (versions <= 1.0.77.32).
- Record
CVE-2021-23209- 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
EUVDEUVD-2021-10314
4.8
Multiple Authenticated (admin user role) Persistent Cross-Site Scripting (XSS) vulnerabilities discovered in AMP for WP – Accelerated Mobile Pages WordPress plugin (versions <= 1.0.77.32).
- Record
EUVD-2021-10314- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9jg3-6mw2-g4q7
4.8
Multiple Authenticated (admin user role) Persistent Cross-Site Scripting (XSS) vulnerabilities...
Multiple Authenticated (admin user role) Persistent Cross-Site Scripting (XSS) vulnerabilities discovered in AMP for WP – Accelerated Mobile Pages WordPress plugin (versions <= 1.0.77.32).
- Record
GHSA-9jg3-6mw2-g4q7- 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
NVD
4.8
Multiple Authenticated (admin user role) Persistent Cross-Site Scripting (XSS) vulnerabilities discovered in AMP for WP – Accelerated Mobile Pages WordPress plugin (versions <= 1.0.77.32).
- Record
CVE-2021-23209- 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
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-2021-23209 is a medium vulnerability (CVSS 4.8) in Ampforwp Accelerated Mobile Pages, published March 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.
References
patchstack.com/database/vulnerability/accelerated-mobile-pages/wordpress-amp-for-wp-accelerated-mobile-pages-plugin-1-0-77-32-multiple-authenticated-persistent-cross-site-scripting-xss-vulnerabilities?_s_id=cve
nvd.nist.gov/vuln/detail/CVE-2021-23209
patchstack.com/database/vulnerability/accelerated-mobile-pages/wordpress-amp-for-wp-accelerated-mobile-pages-plugin-1-0-77-32-multiple-authenticated-persistent-cross-site-scripting-xss-vulnerabilities
wordpress.org/plugins/accelerated-mobile-pages
github.com/advisories/GHSA-9jg3-6mw2-g4q7