Security readout for executives and security teams
Plain-English summary
CVE-2026-38931 is a stored cross-site scripting issue in the admin configuration module of creatorsofcode simplephp. An authenticated user could save malicious script content that later runs in another user’s browser. Business impact is mainly account/session risk and unauthorized changes inside the application, not direct server takeover.
Executive priority
Treat as a moderate-priority application security issue. Prioritize if the application is internet-facing, used by many administrators, or grants broad privileges after login. If the software is not deployed, no direct action is needed beyond documentation.
Technical view
The CVE describes CWE-79 in /admin/config-module.php for creatorsofcode simplephp GitHub commit 5184cff, latest as of 2026-02-27. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure appears limited to deployments of creatorsofcode simplephp matching the referenced commit or vulnerable code path, especially where untrusted or lower-privileged users can access admin configuration functions. The CVE record lists affected vendor/product as n/a, so asset matching may require manual repository and code review.
Exploitation context
The provided sources do not show known active exploitation, and the CVE is not marked KEV. Exploitation requires an authenticated low-privilege actor and a victim user interacting with stored content. The practical risk increases if admin sessions are privileged or if the application is internet-accessible.
Researcher notes
Evidence is limited to the CVE entry and a single public advisory. The affected product metadata is incomplete in the CVE record. Avoid assuming broader package versions without repository comparison. No official patch information is included in the provided sources.
Mitigation direction
- Check the project repository or maintainer guidance for an official fix or updated commit.
- Restrict access to /admin/config-module.php to trusted administrators only.
- Review configuration fields for proper input validation and output encoding before deployment.
- Consider disabling the affected admin module until vendor guidance is available.
- Monitor application logs for suspicious changes to admin configuration content.
Validation and detection
- Identify whether creatorsofcode simplephp is deployed in your environment.
- Confirm whether deployed code includes /admin/config-module.php from commit 5184cff or similar code.
- Review the referenced advisory and CVE record for scope details.
- Test only in an authorized non-production environment for stored script execution behavior.
- Verify any update or code change prevents stored script execution in rendered admin pages.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2026-38931 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
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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
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:L/UI:R/S:C/C:L/I:L/A:N2.32.7CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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
- https://moworn.github.io/post/cve-2026-38931/CVE reference, mitre
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 Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.