Security readout for executives and security teams
Plain-English summary
CVE-2022-45843 is a stored cross-site scripting issue in the WordPress Smart Slider 3 plugin. A contributor-level user or higher could store script content that later affects another user's browser. The published severity is medium, with limited confidentiality and integrity impact and no availability impact stated.
Executive priority
Handle as a moderate-priority WordPress plugin remediation. It is not shown as actively exploited, but stored XSS can support account abuse, session risk, or content tampering when low-privilege accounts are available.
Technical view
The issue is CWE-79 stored XSS in Nextend Smart Slider 3 up to and including 3.5.1.9. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure is limited to WordPress sites running the Smart Slider 3 plugin at version 3.5.1.9 or earlier. Risk is higher where contributor-level accounts are numerous, weakly governed, or could be compromised.
Exploitation context
The source bundle does not show CISA KEV listing, active exploitation, public exploit details, or exploit telemetry. The CVSS vector indicates exploitation requires authenticated low-privilege access and user interaction.
Researcher notes
Public data here does not include the vulnerable parameter, proof of concept, exact fixed version, or detailed patch notes. Keep validation focused on version exposure, role permissions, stored content review, and vendor-published remediation guidance.
Mitigation direction
- Inventory WordPress sites for Smart Slider 3 installations.
- Identify any installs at version 3.5.1.9 or earlier.
- Check Nextend or Patchstack guidance for the appropriate fixed release.
- Restrict contributor-level access to trusted users only.
- Review suspicious slider content after any account compromise.
Validation and detection
- Confirm plugin presence and version in WordPress administration or asset inventory.
- Check whether contributor-level users can create or edit slider content.
- Review audit logs for unexpected plugin content changes.
- Verify remediation by confirming the deployed version is no longer affected.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2022-45843 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
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
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 Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.