Analyst readout for executives and security teams
Plain-English summary
This is a critical WordPress theme issue that can let an unauthenticated internet user run PHP code on the website. Successful compromise could expose data, alter site content, or support persistent access. The sources identify public exploit material, but do not show confirmed active exploitation.
Executive priority
Prioritize internet-facing WordPress sites immediately. Even without confirmed active exploitation, unauthenticated RCE plus public exploit material creates high business risk and warrants rapid inventory, containment, and vendor-guided remediation.
Technical view
CVE-2023-54352 is described as unauthenticated remote code execution through malicious file upload into a WordPress theme directory. The bundle lists CWE-306 and CVSS 9.8. Affected data is inconsistent: the title references Seotheme, while affected product data lists WP Travel Kit Travelscape 1.0.3.
Likely exposure
Highest exposure is public WordPress sites running the affected theme or listed product/version. Evidence in the bundle is incomplete because naming differs between Seotheme and WP Travel Kit Travelscape 1.0.3.
Exploitation context
The source bundle cites ExploitDB and a VulnCheck advisory, so public exploit information exists. CISA KEV is false in the bundle, and no cited source here confirms active exploitation in the wild.
Researcher notes
Do not assume the affected naming is fully resolved from this bundle. Track CVE Program and VulnCheck updates for clarification, fixed-version details, and any change in exploitation status.
Mitigation direction
- Inventory WordPress sites for the affected theme or WP Travel Kit Travelscape 1.0.3.
- Remove or disable the affected theme if it is not required.
- Check vendor guidance for fixed versions or replacement instructions.
- Restrict write permissions to theme directories where operationally feasible.
- Quarantine and rebuild sites showing unexpected PHP files or webshell indicators.
Validation and detection
- Confirm whether /wp-content/themes/seotheme/ exists on each WordPress host.
- Check theme and plugin inventory for WP Travel Kit Travelscape 1.0.3.
- Review web logs for suspicious PHP requests under the affected theme path.
- Inspect theme directories for unexpected PHP files, including mar.php.
- Verify file integrity against known-good deployment artifacts.
Public sources used
Based on public source material and reviewed before publication.
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-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2023-54352 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:N/S:U/C:H/I:H/A:H3.95.9VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-51789CVE reference, VulnCheck · exploit
- VulnCheck Advisory: WordPress Seotheme Remote Code Execution UnauthenticatedCVE reference, VulnCheck · third-party-advisory
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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.