CVE-2021-3817Wbce CMS SQL Injection
wbce_cms is vulnerable to Improper Neutralization of Special Elements used in an SQL Command
Published Dec 9, 2021 · Updated Jul 8, 2026
Key Facts
Patch immediately- CVE-2021-3817 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Wbce CMS, wbce/wbce_cms.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 38% probability of exploitation in the next 30 days.
- Fixed versions are available, including Wbce CMS 1.5.2, wbce/wbce_cms 1.5.2.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
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)
38%
Higher than 98.5% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
42/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
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
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
wbce_cms is vulnerable to Improper Neutralization of Special Elements used in an SQL Command
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Wbce CMSWbce | See advisory | 1.5.2 |
| wbce/wbce_cms | >= unspecified | 1.5.2 |
Patched Releases
Wbce CMS
1.5.2
wbce/wbce_cms
1.5.2
Timeline
Publicly disclosed
Dec 9, 2021
Last updated
Jul 8, 2026
Weakness Type
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
FAQ
Common Questions.
wbce_cms is vulnerable to Improper Neutralization of Special Elements used in an SQL Command
Affected: Wbce CMS; wbce/wbce_cms versions >= unspecified. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Wbce CMS 1.5.2, wbce/wbce_cms 1.5.2.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2021-3817 On Your Attack Surface?
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