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Vulnerability · Published Apr 30, 2020 · Assigned by GitHub_M

CVE-2020-11029Cross-site scripting in stats method (object cache) in WordPress

Medium 5.8

In plain English

A medium-severity cross-site scripting in WordPress from WordPress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.8Medium
Exploit odds (30 days)2.1%top 18.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In affected versions of WordPress, a vulnerability in the stats() method of class-wp-object-cache.php can be exploited to execute cross-site scripting (XSS) attacks. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wordpress5.4.1+dfsg1-1DEBIAN-CVE-2020-11029
Debian:13wordpress5.4.1+dfsg1-1DEBIAN-CVE-2020-11029
Debian:14wordpress5.4.1+dfsg1-1DEBIAN-CVE-2020-11029
Ubuntu:22.04:LTSwordpressno fix listedUBUNTU-CVE-2020-11029
Ubuntu:24.04:LTSwordpressno fix listedUBUNTU-CVE-2020-11029
Ubuntu:25.10wordpressno fix listedUBUNTU-CVE-2020-11029
Ubuntu:26.04:LTSwordpressno fix listedUBUNTU-CVE-2020-11029
Ubuntu:26.10wordpressno fix listedUBUNTU-CVE-2020-11029

Affected products (as reported)

VendorProductVersions
WordPress WordPress >= 5.4.0, < 5.4.1>= 5.3.0, < 5.3.3>= 5.2.0, < 5.2.6>= 5.1.0, < 5.1.5>= 5.0.0, < 5.0.9>= 4.9.0, < 4.9.14>= 4.8.0, < 4.8.13>= 4.7.0, < 4.7.17

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N

References