Security readout for executives and security teams
Plain-English summary
CVE-2015-10143 affects the PageLines Platform WordPress theme before 1.4.4. An unauthenticated attacker could change site options, potentially enabling registration and making new users administrators. For an exposed site, this can become full WordPress compromise without requiring a login.
Executive priority
Prioritize exposed WordPress sites immediately because successful abuse can grant administrator access and full site control. Confirm whether the vulnerable theme exists in the environment before broader emergency action.
Technical view
The flaw is a missing authorization check in the theme's *_ajax_save_options() function. Sources describe unauthenticated arbitrary WordPress option updates, including settings that control registration and default user role. CVSS 3.1 is 9.8 critical, mapped to CWE-862.
Likely exposure
Exposure is likely limited to WordPress sites running the PageLines Platform theme below 1.4.4. Internet-facing WordPress sites with the vulnerable theme installed or active should be treated as high priority until version and configuration are verified.
Exploitation context
The CVE is not listed as KEV in the provided bundle, so active exploitation is not established here. A public Metasploit module is cited, which indicates public exploit availability, but this assessment does not provide exploitation steps.
Researcher notes
The source bundle has strong evidence for impact, vector, and affected version range, but limited evidence about current exploitation in the wild. Treat the Rapid7 reference as public exploit availability, not proof of active attacks.
Mitigation direction
- Inventory WordPress sites for the PageLines Platform theme and version.
- Upgrade Platform to 1.4.4 or later if vendor guidance confirms availability.
- Remove the theme if it is unused or cannot be safely updated.
- Review WordPress registration and default-role settings for unauthorized changes.
- Check vendor and Wordfence guidance for any additional cleanup instructions.
Validation and detection
- Confirm whether Platform is installed or active on each WordPress site.
- Verify installed Platform versions are not below 1.4.4.
- Check whether user registration was enabled unexpectedly.
- Check whether the default new-user role was set to administrator.
- Review recent administrator account creation for suspicious entries.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-10143 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.
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:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
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
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c16fab08-6b2c-433a-9105-fc15f5c52575?source=cveCVE reference
- https://blog.sucuri.net/2015/01/security-advisory-vulnerabilities-in-pagelinesplatform-theme-for-wordpress.htmlCVE reference
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/wp_platform_exec.rbCVE reference
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 Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.