01 Record

CVE-2020-4049

Authenticated self-XSS via theme uploads in WordPress

LowPUBLISHEDCNA: GitHub_M

CNA base score2.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

View raw JSON

02 Description

Authenticated self-XSS via theme uploads in WordPress

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.53% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 83.7% of scored records. A rank, not a probability.
NVD base score: 2.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2020-06-12 16:00Z6 YR AGO

Last updated

2024-08-04 07:52Z2 YR AGO

Reserved

2019-12-30

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 2.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Weaknesses

CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)Variant
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

032cb742e4952f402ac41f59c40af63867415ed5d9269c4a83b660ca91be0189

05 Affected products

VendorProductVersionsPlatforms

WordPresswordpress-develop>= 5.4.0, < 5.4.2, >= 5.3.0, < 5.3.4, >= 5.2.0, < 5.2.7, >= 5.1.0, < 5.1.6, >= 5.0.0, < 5.0.10, >= 4.9.0, < 4.9.15, >= 4.8.0, < 4.8.14, >= 4.7.0, < 4.7.18, >= 4.6.0, < 4.6.19, >= 4.5.0, < 4.5.22, >= 4.4.0, < 4.4.23, >= 4.3.0, < 4.3.24, >= 4.2.0, < 4.2.28, >= 4.1.0, < 4.1.31, >= 4.0.0, < 4.0.31, >= 3.9.0, < 3.9.32, >= 3.8.0, < 3.8.34, >= 3.7.0, < 3.7.34—

06 References

wordpress.orghttps://wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release/x_refsource_MISC
github.comhttps://github.com/WordPress/wordpress-develop/security/advisories/GHSA-87h4-phjv-rm6px_refsource_CONFIRM
github.comhttps://github.com/WordPress/wordpress-develop/commit/404f397b4012fd9d382e55bf7d206c1317f01148x_refsource_MISC
lists.fedoraproject.orgFEDORA-2020-8447a3e195https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODNHXVJS25YVWYQHOCICXTLIN5UYJFDN/vendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2020-bbedd29391https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/773N2ZV7QEMBGKH6FBKI6Q5S3YJMW357/vendor-advisoryx_refsource_FEDORA
www.debian.orgDSA-4709https://www.debian.org/security/2020/dsa-4709vendor-advisoryx_refsource_DEBIAN
lists.debian.org[debian-lts-announce] 20200701 [SECURITY] [DLA 2269-1] wordpress security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00000.htmlmailing-listx_refsource_MLIST
lists.debian.org[debian-lts-announce] 20200911 [SECURITY] [DLA 2371-1] wordpress security updatehttps://lists.debian.org/debian-lts-announce/2020/09/msg00011.htmlmailing-listx_refsource_MLIST

01 Record index

CVE-2020-4049

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2020-4049

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References