CVE-2021-35415

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

0.89% 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

4.8 (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: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

2021-12-03 21:07Z4 YR AGO

Last updated

2024-08-04 00:40Z2 YR AGO

Reserved

2021-06-23

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

3fc2c990e6cedd48e9acb621dee7dbfb239831070df51b234a40e4563597a820

• github.comhttps://github.com/andrejspuler/writeups/tree/main/chamilo-lms#multiple-stored-cross-site-scripting-vulnerabilitiesx_refsource_MISC
• support.chamilo.orghttps://support.chamilo.org/projects/1/wiki/Security_issues#Issue-61-2021-05-14-Low-impact-very-low-risk-XSS-in-course-namex_refsource_MISC
• support.chamilo.orghttps://support.chamilo.org/projects/1/wiki/Security_issues#Issue-62-2021-05-14-Low-impact-low-risk-XSS-in-course-descriptionx_refsource_MISC
• support.chamilo.orghttps://support.chamilo.org/projects/1/wiki/Security_issues#Issue-63-2021-05-14-Low-impact-moderate-risk-XSS-in-course-documentsx_refsource_MISC
• support.chamilo.orghttps://support.chamilo.org/projects/1/wiki/Security_issues#Issue-64-2021-05-14-Low-impact-low-risk-XSS-in-course-document-title-on-uploadx_refsource_MISC
• github.comhttps://github.com/chamilo/chamilo-lms/commit/fd54f6194285f949c86060d3b2a7967b43689480x_refsource_MISC
• github.comhttps://github.com/chamilo/chamilo-lms/commit/19189a91d1eac9aa204b9439b82e3e73c8ac2e03x_refsource_MISC
• github.comhttps://github.com/chamilo/chamilo-lms/commit/cf84be1ca1d9a08ad1341dfbf8df475b13a89072x_refsource_MISC