Security readout for executives and security teams
Plain-English summary
CVE-2021-26644 is a high-severity SQL injection in Hometory Mangboard WP BASIC 2.0.3. The flaw involves insufficient validation of database table-name input. A remote attacker could affect confidentiality, integrity, and availability, and the CVE description says arbitrary code execution may be possible on the bulletin board server.
Executive priority
Treat this as a high-priority exposure review for any WordPress site using Mangboard WP BASIC 2.0.3. Prioritize externally reachable systems because the reported impacts include full data compromise and service disruption. Do not assume active exploitation from the provided evidence.
Technical view
The issue is classified as CWE-89 SQL injection. CVSS 3.1 is 8.8 with network attack vector, low complexity, no privileges required, user interaction required, unchanged scope, and high impact across confidentiality, integrity, and availability. The affected product listed is Mangboard WP BASIC version 2.0.3.
Likely exposure
Exposure is likely limited to WordPress sites running Hometory Mangboard WP BASIC 2.0.3, especially if bulletin board functionality is reachable from the internet. The provided sources do not identify other versions, products, or platforms as affected.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates remote, low-complexity exploitation with no privileges required, but user interaction is marked as required. Public technical detail is sparse in the provided sources.
Researcher notes
The CVE description specifically mentions missing verification of table-name input used by the database. The record claims possible arbitrary code execution, but the provided bundle does not include exploit mechanics, patch details, or affected-version range beyond 2.0.3. Validate conservatively and avoid extrapolating to other Mangboard editions.
Mitigation direction
- Inventory WordPress sites for Mangboard WP BASIC version 2.0.3.
- Check Hometory and KRCERT/BOHO guidance for vendor-confirmed updates or mitigations.
- Restrict public access to affected bulletin board functions where business impact allows.
- Disable or remove the component if no supported fixed version is available.
- Monitor web, application, and database logs for abnormal database errors or suspicious requests.
Validation and detection
- Confirm the installed Mangboard WP BASIC version through approved administrative or asset records.
- Verify whether affected bulletin board routes are internet-accessible.
- Review server and database logs for unexpected table access or SQL error patterns.
- Check file and database integrity if an exposed affected instance is found.
- Document whether vendor guidance identifies a fixed version or compensating control.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-26644 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67127CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.