Security readout for executives and security teams
Plain-English summary
CVE-2026-22504 affects the ThemeREX ProLingua WordPress theme through version 1.1.12. It can let an unauthenticated attacker include local server files through vulnerable PHP handling. The published severity is high, but exploitation difficulty is marked high. No provided source confirms active exploitation.
Executive priority
Treat as a high-priority web exposure review for WordPress properties using ProLingua. Prioritize internet-facing and revenue-critical sites. Urgency is elevated by potential confidentiality, integrity, and availability impact, but current sources do not confirm exploitation in the wild.
Technical view
The issue is CWE-98: improper control of filenames in PHP include/require statements, described as PHP local file inclusion. CVSS 3.1 is 8.1 with AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Affected scope is ProLingua versions up to and including 1.1.12, based on the CVE description.
Likely exposure
Exposure is limited to WordPress sites using the ThemeREX ProLingua theme through version 1.1.12. Organizations without this theme are not exposed based on the provided sources. The source bundle does not identify hosting environments, configuration prerequisites, or a fixed version.
Exploitation context
The CVSS vector indicates remote, unauthenticated exploitation with no user interaction, but high attack complexity. The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation or public exploit availability.
Researcher notes
Available public detail is sparse. The CVE and Patchstack entry identify LFI in ProLingua <= 1.1.12, but the provided sources do not name a vulnerable parameter, proof of concept, patch version, or exploitation telemetry. Avoid assuming broader ThemeREX product impact.
Mitigation direction
- Inventory WordPress sites for the ProLingua theme and its installed version.
- If version is 1.1.12 or older, check ThemeREX and Patchstack guidance immediately.
- If no safe update is confirmed, consider disabling or replacing the theme temporarily.
- Restrict administrative access and ensure backups are current before remediation changes.
Validation and detection
- Confirm whether each WordPress site has the ProLingua theme installed.
- Record the installed ProLingua version and compare it to <= 1.1.12.
- Review web logs for unusual requests targeting theme PHP files or file path parameters.
- Document whether vendor guidance, an update, or compensating controls were applied.
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
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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
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Open ATT&CK lookupCVE-2026-22504 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
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.