CVE-2021-20746 json
Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitra…
published 2021-06-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8160
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Hector Cabrera WordPress Popular Posts
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
cabrerahector.com
/wordpress/wordpress-popular-posts-5-3-improved-php-8-support-retina-display-support-and-more/#minor-updates-a
vendor-advisory
-
cabrerahector.com
/
vendor-advisory
-
wordpress.org
/plugins/wordpress-popular-posts/
product, release-notes, third-party-advisory
-
jvn.jp
/en/jp/JVN63066062/index.html
third-party-advisory
Sources
- CVE List CVE-2021-20746
- NVD CVE-2021-20746
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.