Security readout for executives and security teams
Plain-English summary
M-vSlider for WordPress has an authenticated SQL injection issue in its slider update function. The available sources say an Administrator can submit an unsanitized rs_id value that is inserted into a database query. This mainly matters where admin accounts are shared, compromised, or abused.
Executive priority
Treat this as a targeted cleanup item, not an internet-wide emergency. Prioritize sites where M-vSlider is installed and Administrator access is weak, shared, or exposed to many users.
Technical view
Public records describe CWE-89 in M-vSlider <= 2.1.3. The rslider_page update functionality accepts the rs_id POST parameter without validation, sanitization, or escaping before database use, allowing SQL injection by users with Administrator privileges.
Likely exposure
Exposure is limited to WordPress sites running M-vSlider, especially version 2.1.3 or earlier. The reported attack path requires Administrator-level access, so risk depends heavily on admin account security and plugin deployment footprint.
Exploitation context
The CVE bundle does not show CISA KEV listing or cited active exploitation. The issue is authenticated admin-plus SQL injection, so it is most relevant after admin compromise, insider misuse, or weak operational controls around WordPress administration.
Researcher notes
Evidence is concise and lacks CVSS, patch details, and exploitation telemetry in the provided bundle. Avoid assuming unauthenticated reachability or active exploitation. The key technical fact is unsanitized rs_id in update SQL handling.
Mitigation direction
- Inventory WordPress sites for M-vSlider and record installed versions.
- Check WPScan, CodeVigilant, and vendor guidance for fixed versions or removal advice.
- Remove or disable M-vSlider where it is not business-critical.
- Restrict WordPress Administrator accounts to trusted users with strong MFA.
- Back up WordPress files and databases before plugin changes.
Validation and detection
- Confirm whether M-vSlider is installed on each WordPress instance.
- Verify whether installed versions are 2.1.3 or earlier.
- Review Administrator accounts for stale, shared, or suspicious users.
- Check application logs for unusual slider update activity.
- Confirm compensating controls for WordPress admin MFA and access restrictions.
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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-24557 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/8b8e41e8-5a40-4062-b5b7-3b01b1a709efCVE reference · x_refsource_MISC
- https://codevigilant.com/disclosure/2021/wp-plugin-m-vslider/CVE reference · x_refsource_MISC
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.