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CVE-2021-23209

WordPress AMP for WP – Accelerated Mobile Pages plugin <= 1.0.77.32 - Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities

4.8 Medium

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

0.56%Down 0.3 points since Mar 19, 2022
90%50%10%1%

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 MediumCVSS: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 MediumCVSS: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 MediumCVSS: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 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE 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

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