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CVE-2021-20746

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote...

5.4 Medium

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

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

1.44%Up 0.1 points since Jun 28, 2021
90%50%10%1%

What each source reports

NVD Score used 5.4

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Record
CVE-2021-20746
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/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
CVE List No score

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Record
CVE-2021-20746
Updated
2026-11-02
EUVDEUVD-2021-8160 No score

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Record
EUVD-2021-8160
Updated
2026-11-03
GitHub AdvisoriesGHSA-pmfx-m292-fc24 No score

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote...

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Record
GHSA-pmfx-m292-fc24
Weakness
CWE-79
Updated
2026-11-02
OSV 5.4

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Record
CVE-2021-20746
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-20746 is a medium vulnerability (CVSS 5.4) in Hector Cabrera Wordpress Popular Posts, published June 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.44%, the 73rd percentile. No source names a fixed version.

References

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