synced 7 MIN AGO
01 Record

CVE-2021-26032

[20210501] - Core - Adding HTML to the executable block list of MediaHelper::canUpload

UnratedPUBLISHEDCNA: Joomla
CNA base scoreUnratedNo CNA CVSS vector

02 Description

[20210501] - Core - Adding HTML to the executable block list of MediaHelper::canUpload

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
0.80% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 56.4% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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
2021-05-26 10:22Z5 YR AGO
Last updated
2026-02-25 05:05Z8 MO AGO
Reserved
2021-01-25
Assigning CNA
Joomla
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.2
Document digest
2883490c85e8b5169cfe6551d70f1673cb78365c62eebd517b5710b2bc8b2175

05 Affected products

VendorProductVersionsPlatforms
Joomla! ProjectJoomla! CMS3.0.0-3.9.26—

06 References