Security readout for executives and security teams
Plain-English summary
CVE-2026-28129 affects the WordPress Little Birdies theme. Public sources describe a local file inclusion issue in versions up to and including 1.3.16. If exploitable on a site, an attacker could access or manipulate sensitive server-side files, with high confidentiality, integrity, and availability impact.
Executive priority
Treat as a high-priority WordPress exposure if the Little Birdies theme is deployed. Prioritize asset identification first, then patch, disable, or replace based on vendor guidance. No active exploitation is confirmed in the provided sources.
Technical view
The issue is CWE-98: improper control of filenames used in PHP include/require logic. The CVSS 3.1 score is 8.1, vector AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Sources characterize it as PHP Local File Inclusion affecting axiomthemes Little Birdies through 1.3.16.
Likely exposure
Exposure is limited to WordPress installations using the Little Birdies theme at version 1.3.16 or earlier. Sites not using this theme are not indicated as affected by the provided sources.
Exploitation context
The CVE record indicates network-reachable, unauthenticated exploitation with high attack complexity and no user interaction. The source bundle does not show CISA KEV listing or cited evidence of active exploitation.
Researcher notes
The affected range is described as through 1.3.16. The bundled affected object is sparse and lists defaultStatus as unaffected, so rely on the CVE description and Patchstack entry for practical scoping. No exploit details or fixed version are present in the provided bundle.
Mitigation direction
- Inventory WordPress sites for the Little Birdies theme and version.
- If version is 1.3.16 or earlier, review vendor or Patchstack guidance immediately.
- Apply an available vendor update when confirmed by official guidance.
- If no fix is available, consider disabling or replacing the theme.
- Restrict administrative access and monitor web server logs for suspicious file access patterns.
Validation and detection
- Confirm whether the Little Birdies theme is installed on each WordPress site.
- Record the installed theme version and compare it to 1.3.16.
- Check the CVE and Patchstack entries for updated remediation details.
- Verify whether the site uses any vendor-supplied fixed release, if available.
- Review logs for unusual requests targeting theme files or include parameters.
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-98: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2026-28129 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/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:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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 Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.