CVE-2021-35290

Name: CVE-2021-35290
Creator: NVD / NIST
Published: 2023-02-24T21:15:10.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2021-35290 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. File Upload vulnerability in balerocms-src 0.8.3 allows remote attackers to run arbitrary code via rich text editor on /admin/main/mod-blog page.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

File Upload vulnerability in balerocms-src 0.8.3 allows remote attackers to run arbitrary code via rich text editor on /admin/main/mod-blog page.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.93%

56.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Balero Cms Project	Balero Cms	0.8.3

References

https://github.com/anibalgomezprojects/balerocms-src/issues/2Issue Tracking
https://github.com/anibalgomezprojects/balerocms-src/issues/2Issue Tracking

Timeline

Published: Feb 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35290?

File Upload vulnerability in balerocms-src 0.8.3 allows remote attackers to run arbitrary code via rich text editor on /admin/main/mod-blog page.

How severe is CVE-2021-35290?

CVE-2021-35290 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35290?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35290?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST