Security readout for executives and security teams
Plain-English summary
CVE-2026-27440 is a stored cross-site scripting issue in the WordPress myCred plugin through version 2.9.7.6. An authenticated attacker may be able to save malicious script content that later runs in another user’s browser. Business risk is moderate, especially for sites with many contributors or customer-facing account features.
Executive priority
Treat as a medium-priority web application risk. It is not currently evidenced as actively exploited in the provided sources, but stored XSS can support account compromise, admin-session abuse, or site defacement if triggered in privileged user browsers.
Technical view
The CVE describes CWE-79 improper neutralization during web page generation in Saad Iqbal myCred. CVSS 3.1 is 6.5: network-accessible, low complexity, low privileges required, user interaction required, scope changed, with low confidentiality, integrity, and availability impact. The vulnerable range is reported as myCred through <= 2.9.7.6.
Likely exposure
Exposure is likely limited to WordPress sites running the myCred plugin at version 2.9.7.6 or earlier, particularly where untrusted or lower-privileged users can submit content processed by the plugin.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates exploitation requires low privileges and user interaction, consistent with stored XSS that triggers when another user views affected content.
Researcher notes
Evidence is limited to the CVE record and Patchstack database entry. The affected range is stated as <= 2.9.7.6, but the source bundle does not name a specific fixed version or vulnerable parameter. Avoid assuming affected workflows without vendor detail or testing authorization.
Mitigation direction
- Inventory WordPress sites for the myCred plugin and version.
- Prioritize sites running myCred 2.9.7.6 or earlier.
- Check vendor and Patchstack guidance for a fixed release.
- Upgrade beyond the affected range when a trusted fixed version is available.
- Restrict untrusted user access to myCred-related submission workflows until remediated.
Validation and detection
- Confirm installed myCred versions across WordPress assets.
- Review whether any site allows low-privileged users to submit myCred-handled content.
- Check security plugins or logs for suspicious stored script indicators.
- Verify remediation by confirming the plugin is no longer within the affected range.
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-2026-27440 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
- 6.5 (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:L
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:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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 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.