Security readout for executives and security teams
Plain-English summary
CVE-2026-27326 is a high-severity local file inclusion issue in the WordPress “AC Services” theme by axiomthemes. Affected sites running the theme through version 1.2.5 may let an unauthenticated remote attacker include local files. The public sources do not confirm active exploitation or a fixed version.
Executive priority
Prioritize this for any public WordPress site using the affected theme. The issue is high severity and unauthenticated, but current provided sources do not show active exploitation or a named patch. The immediate business need is exposure discovery and vendor-guided remediation planning.
Technical view
The CVE describes CWE-98 improper control of filenames in PHP include/require logic, resulting in local file inclusion in package window-ac-services. CVSS 3.1 is 8.1: network attack vector, high complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress sites with the AC Services HVAC/Air Conditioning/Heating Company theme installed at version 1.2.5 or earlier. Internet-facing WordPress deployments using this theme should be prioritized for review.
Exploitation context
The CVE record rates exploitation as network-accessible and unauthenticated but high complexity. CISA KEV status is false in the provided data, and no cited source confirms active exploitation. No exploit details should be inferred from the advisory text alone.
Researcher notes
The record labels the issue as PHP Remote File Inclusion in CWE terms but states the impact as PHP Local File Inclusion. Treat available evidence narrowly: affected product is the AC Services WordPress theme through 1.2.5, package window-ac-services. Public sources provided do not name a fixed release.
Mitigation direction
- Inventory WordPress sites for the window-ac-services / AC Services theme.
- If installed at version 1.2.5 or earlier, treat the site as exposed.
- Check axiomthemes, Patchstack, and WordPress admin updates for vendor guidance.
- If no fix is available, consider replacing or disabling the theme after business review.
- Back up the site before theme changes or emergency remediation.
Validation and detection
- Confirm whether the AC Services theme is installed on each WordPress site.
- Record the installed theme version and compare it to <= 1.2.5.
- Review vendor and Patchstack advisories for any newly published fixed version.
- Check web and application logs for unusual file path or include-related errors.
- Document remediation status for each affected site.
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-2026-27326 mapping review
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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
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.