Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the WordPress Recent Posts Slider plugin up to version 1.1. An unauthenticated attacker could cause script content to be stored and later executed when a user views affected content. Business risk is highest for public WordPress sites using this plugin.
Executive priority
Treat as a high-priority WordPress exposure check. It is not currently sourced as exploited in the wild, but unauthenticated stored XSS on a public site can affect visitors, administrators, and site trust.
Technical view
CVE-2023-35043 is CWE-79 unauthenticated stored XSS in Neha Goel Recent Posts Slider for WordPress, reported for plugin version <= 1.1. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress installations with the Recent Posts Slider plugin installed, especially version 1.1 or earlier. The source bundle does not identify other affected products or a fixed version.
Exploitation context
The supplied sources do not confirm active exploitation, and the bundle marks KEV as false. The CVSS vector indicates the issue is remotely reachable without authentication, but successful impact requires a user to interact with affected stored content.
Researcher notes
Evidence is limited to CVE metadata and Patchstack advisory data. The bundle names the affected plugin and vulnerability class, but does not provide exploit details, a confirmed fixed version, or vendor remediation text.
Mitigation direction
- Inventory WordPress sites for the Recent Posts Slider plugin.
- Check vendor or Patchstack guidance for fixed versions or official remediation.
- Disable or remove the plugin if no maintained fixed version is available.
- Prioritize public-facing WordPress sites and administrator-facing workflows.
- Monitor web logs and WordPress content changes for suspicious script injection.
Validation and detection
- Confirm whether the recent-posts-slider plugin is installed.
- Record the installed plugin version and compare against <= 1.1 exposure.
- Review plugin-generated posts, widgets, or slider content for unexpected scripts.
- Check whether any compensating WordPress security controls sanitize stored input.
- Verify remediation by confirming the plugin is updated, disabled, or removed.
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-2023-35043 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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.