CVE-2021-26746

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

0.90% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 56.9% 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.

Published

2021-02-19 04:38Z5 YR AGO

Last updated

2024-08-03 20:33Z2 YR AGO

Reserved

2021-02-05

Assigning CNA

mitre

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

5.1

Document digest

d154507a48ba523f1912ba3ea93c2b123943a1295a4a8c7f49f66f9d5ad8eddd

• www.netsparker.comhttps://www.netsparker.com/web-applications-advisories/ns-21-001-cross-site-scripting-in-chamilo-lms/x_refsource_MISC
• support.chamilo.orghttps://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-45-2021-01-21-Moderate-impact-moderate-risk-XSS-vulnerability-in-agendax_refsource_MISC
• github.comhttps://github.com/chamilo/chamilo-lms/commit/d939402d83bf68af5377b629883d8e5437d843ecx_refsource_CONFIRM