CVE-2021-24284Kaswara Unrestricted File Upload
The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action.
Published May 14, 2021 · Updated Nov 21, 2024 · Also known as 8e2c6030-d117-4c0b-a97a-d0bb89e948ef, WORDFENCE-8e2c6030-d117-4c0b-a97a-d0bb89e948ef
Key Facts
Patch immediately- CVE-2021-24284 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Kaswara (Kaswara Project), Kaswara Modern VC Addons.
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jul 13, 2022. No public exploit code is known.
- EPSS estimates a 42% probability of exploitation in the next 30 days.
- Fixed versions are available, including Kaswara <=3.0.1, Kaswara 3.0.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
42%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
45/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jul 13, 2022
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
11
Reports of active use
Advisories And Exploit References
- advisoryhttps://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/8e2c6030-d117-4c0b-a97a-d0bb89e948ef?source=api-prod
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/8e2c6030-d117-4c0b-a97a-d0bb89e948ef?source=api-scan
Description
The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Jul 13, 2022 | n/a | Not reported |
| Industry KEV feed | Jul 13, 2022 | n/a | Not reported |
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| KaswaraKaswara Project | See advisory | 3.0.1 |
| Kaswara Modern VC Addons | >= 3.0.1 | n/a |
Patched Releases
Kaswara
<=3.0.1
Timeline
Publicly disclosed
May 14, 2021
Added to CIRCL KEV
Jul 13, 2022
Added to Industry KEV feed
Jul 13, 2022
Last updated
Nov 21, 2024
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- advisorycodecanyon.net · 19341477
- advisorywordfence.com · 8e2c6030-d117-4c0b-a97a-d0bb89e948ef
- advisorywordfence.com · 8e2c6030-d117-4c0b-a97a-d0bb89e948ef
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action.
Affected: Kaswara (Kaswara Project); Kaswara Modern VC Addons versions >= 3.0.1. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jul 13, 2022.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Kaswara <=3.0.1, Kaswara 3.0.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2021-24284 On Your Attack Surface?
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