CVE-2020-11029
Cross-site scripting in stats method (object cache) in WordPress
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).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cross-site scripting in stats method (object cache) in WordPress
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).
- Record
CVE-2020-11029- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2020-3414
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).
- Record
EUVD-2020-3414- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N - Updated
- 2026-11-03
NVD
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).
- Record
CVE-2020-11029- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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).
- Record
CVE-2020-11029- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-11029
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).
- Record
DEBIAN-CVE-2020-11029- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-11029
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).
- Record
UBUNTU-CVE-2020-11029- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-wordpress-2020-11029 No score
Cross-site scripting in stats method (object cache) in WordPress
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).
- Record
BIT-wordpress-2020-11029- Updated
- 2026-11-02
OSVBIT-wordpress-multisite-2020-11029 No score
Cross-site scripting in stats method (object cache) in WordPress
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).
- Record
BIT-wordpress-multisite-2020-11029- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wordpressBitnami |
3.7.0 up to 3.7.33, 3.8.0 up to 3.8.33, 3.9.0 up to 3.9.31, 4.0.0 up to 4.0.30, 4.1.0 up to 4.1.30, 4.2.0 up to 4.2.27, 4.3.0 up to 4.3.23, 4.4.0 up to 4.4.22, 4.5.0 up to 4.5.21, 4.6.0 up to 4.6.18, 4.7.0 up to 4.7.17, 4.8.0 up to 4.8.13, 4.9.0 up to 4.9.14, 5.0.0 up to 5.0.9, 5.1.0 up to 5.1.5, 5.2.0 up to 5.2.6, 5.3.0 up to 5.3.3, 5.4.0 up to 5.4.1 | 3.7.333.8.333.9.314.0.304.1.304.2.274.3.234.4.224.5.214.6.184.7.174.8.134.9.145.0.95.1.55.2.65.3.35.4.1 |
wordpress-multisiteBitnami |
3.7.0 up to 3.7.33, 3.8.0 up to 3.8.33, 3.9.0 up to 3.9.31, 4.0.0 up to 4.0.30, 4.1.0 up to 4.1.30, 4.2.0 up to 4.2.27, 4.3.0 up to 4.3.23, 4.4.0 up to 4.4.22, 4.5.0 up to 4.5.21, 4.6.0 up to 4.6.18, 4.7.0 up to 4.7.17, 4.8.0 up to 4.8.13, 4.9.0 up to 4.9.14, 5.0.0 up to 5.0.9, 5.1.0 up to 5.1.5, 5.2.0 up to 5.2.6, 5.3.0 up to 5.3.3, 5.4.0 up to 5.4.1 | 3.7.333.8.333.9.314.0.304.1.304.2.274.3.234.4.224.5.214.6.184.7.174.8.134.9.145.0.95.1.55.2.65.3.35.4.1 |
wordpressDebian:12 |
before 5.4.1+dfsg1-1 | 5.4.1+dfsg1-1 |
wordpressDebian:13 |
before 5.4.1+dfsg1-1 | 5.4.1+dfsg1-1 |
wordpressDebian:14 |
before 5.4.1+dfsg1-1 | 5.4.1+dfsg1-1 |
wordpressDebian:8 From an advisory covering 4 CVEs |
before 4.1.30+dfsg-0+deb8u1, plus listed versions 4.1+dfsg-14.1+dfsg-1+deb8u14.1+dfsg-1+deb8u104.1+dfsg-1+deb8u114.1+dfsg-1+deb8u12 Show 20 moreShow less4.1+dfsg-1+deb8u134.1+dfsg-1+deb8u144.1+dfsg-1+deb8u154.1+dfsg-1+deb8u164.1+dfsg-1+deb8u174.1+dfsg-1+deb8u184.1+dfsg-1+deb8u24.1+dfsg-1+deb8u34.1+dfsg-1+deb8u44.1+dfsg-1+deb8u54.1+dfsg-1+deb8u64.1+dfsg-1+deb8u74.1+dfsg-1+deb8u84.1+dfsg-1+deb8u94.1.1+dfsg-14.1.25+dfsg-1+deb8u14.1.26+dfsg-1+deb8u14.1.27+dfsg-0+deb8u14.1.28+dfsg-0+deb8u14.1.29+dfsg-0+deb8u1 |
4.1.30+dfsg-0+deb8u1 |
wordpressDebian:9 From an advisory covering 5 CVEs |
before 4.7.5+dfsg-2+deb9u6, plus listed versions 4.7.5+dfsg-24.7.5+dfsg-2+deb9u14.7.5+dfsg-2+deb9u1~bpo8+14.7.5+dfsg-2+deb9u24.7.5+dfsg-2+deb9u2~bpo8+14.7.5+dfsg-2+deb9u34.7.5+dfsg-2+deb9u44.7.5+dfsg-2+deb9u5 |
4.7.5+dfsg-2+deb9u6 |
wordpressDebian:10 From an advisory covering 5 CVEs |
before 5.0.4+dfsg1-1+deb10u2, plus listed versions 5.0.4+dfsg1-15.0.4+dfsg1-1+deb10u1 |
5.0.4+dfsg1-1+deb10u2 |
wordpressUbuntu:16.04:LTS |
All versions, plus listed versions 4.3+dfsg-14.3.1+dfsg-14.4+dfsg-14.4.1+dfsg-14.4.2+dfsg-14.4.2+dfsg-1ubuntu1 |
None known |
wordpressUbuntu:18.04:LTS |
All versions, plus listed versions 4.8.2+dfsg-24.8.3+dfsg-14.9.1+dfsg-14.9.2+dfsg-14.9.4+dfsg-14.9.5+dfsg1-1 |
None known |
Show 6 moreShow less
| Package | Affected | Fixed |
|---|---|---|
wordpressUbuntu:20.04:LTS |
All versions, plus listed versions 5.2.2+dfsg1-15.2.4+dfsg1-15.3.2+dfsg1-15.3.2+dfsg1-1ubuntu1 |
None known |
wordpressUbuntu:22.04:LTS |
All versions, plus listed versions 5.7.1+dfsg1-2ubuntu15.8.1+dfsg1-2ubuntu15.8.2+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu1.1 |
None known |
wordpressUbuntu:24.04:LTS |
All versions, plus listed versions 6.2+dfsg1-1ubuntu16.4.3+dfsg1-1ubuntu1 |
None known |
wordpressUbuntu:25.10 |
All versions, plus listed versions 6.7.2+dfsg1-1.1ubuntu1 |
None known |
wordpressUbuntu:26.10 |
All versions, plus listed versions 6.7.2+dfsg1-1.1ubuntu2 |
None known |
wordpressUbuntu:26.04:LTS |
All versions, plus listed versions 6.7.2+dfsg1-1.1ubuntu16.7.2+dfsg1-1.1ubuntu2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11029 is a medium vulnerability (CVSS 5.8) in Wordpress, published April 30, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.13%, the 82nd percentile. Fixed in wordpress 3.7.33.
References
wordpress.org/support/wordpress-version/version-5-4-1
github.com/WordPress/wordpress-develop/security/advisories/GHSA-568w-8m88-8g2c
debian.org/security/2020/dsa-4677
lists.debian.org/debian-lts-announce/2020/05/msg00011.html
nvd.nist.gov/vuln/detail/CVE-2020-11029
security-tracker.debian.org/tracker/CVE-2020-11029
ubuntu.com/security/CVE-2020-11029
cve.org/CVERecord?id=CVE-2020-11029