Security readout for executives and security teams
Plain-English summary
CVE-2023-27420 is a reflected cross-site scripting issue in the WordPress Arya Multipurpose theme through version 1.0.5. A successful attack could make a user’s browser run attacker-controlled script after user interaction, potentially affecting confidentiality, integrity, and availability at limited levels.
Executive priority
Treat this as a high-priority website hygiene issue, especially for public WordPress properties. It is not confirmed as actively exploited in the provided sources, but unauthenticated reflected XSS can still support account targeting and brand-impacting incidents.
Technical view
The CVE describes unauthenticated reflected XSS, mapped to CWE-79, in Everest Themes Arya Multipurpose for WordPress up to 1.0.5. CVSS 3.1 is 7.1 with network access, low attack complexity, no privileges required, user interaction required, and changed scope.
Likely exposure
Exposure is likely limited to WordPress sites that have the Arya Multipurpose theme installed at version 1.0.5 or earlier. The source bundle does not prove whether inactive installations are exploitable, so inventory both active and installed themes.
Exploitation context
The sources do not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates exploitation is remote and unauthenticated but requires user interaction, consistent with reflected XSS risks such as malicious links targeting site users or administrators.
Researcher notes
Evidence is limited to the CVE description, CVSS data, and Patchstack reference. The bundle names the vulnerable range as <= 1.0.5 but does not provide payload details, affected parameters, proof of exploitation, or a named fixed version.
Mitigation direction
- Check Everest Themes and Patchstack guidance for fixed versions or vendor workarounds.
- Upgrade Arya Multipurpose if a fixed release is available from the vendor.
- Remove or replace the theme where it is unused or unsupported.
- Prioritize sites with privileged WordPress users or public-facing traffic.
- Use compensating controls only as temporary risk reduction.
Validation and detection
- Inventory WordPress sites for the Arya Multipurpose theme package.
- Confirm installed theme versions and flag 1.0.5 or earlier.
- Review whether the theme is active, inactive, or present on disk.
- Check vendor and Patchstack records for remediation status.
- Review security logs for suspicious XSS-related user reports or alerts.
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-2023-27420 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
- 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.