CVE-2021-36787

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

1.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 69.1% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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

2021-08-13 16:15Z5 YR AGO

Last updated

2024-08-04 01:01Z2 YR AGO

Reserved

2021-07-19

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

8c109019718aa87921f6b7660656e7f14133bd7fa0df54658b72cb3db8b9cce2

• typo3.orghttps://typo3.org/help/security-advisories/securityx_refsource_MISC
• typo3.orghttps://typo3.org/security/advisory/typo3-ext-sa-2021-010x_refsource_CONFIRM
• seclists.org20220124 SEC Consult SA-20220117-0 :: Stored Cross-Site Scripting vulnerability in TYPO3 extension "femanager"http://seclists.org/fulldisclosure/2022/Jan/53mailing-listx_refsource_FULLDISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/165675/TYPO3-femanager-6.3.0-Cross-Site-Scripting.htmlx_refsource_MISC