Security readout for executives and security teams
Plain-English summary
CVE-2022-3766 is a reflected cross-site scripting issue in thorsten/phpmyfaq before version 3.1.8. A vulnerable site could reflect attacker-controlled content into a user’s browser, risking session or data exposure depending on site context. The public sources do not show confirmed active exploitation.
Executive priority
Treat this as a high-priority application patch for any public phpMyFAQ instance. The business urgency is strongest where phpMyFAQ handles authenticated users, internal knowledge, or customer-facing traffic.
Technical view
The CVE records CWE-79 reflected XSS in the GitHub repository thorsten/phpmyfaq prior to 3.1.8, with CVSS 3.0 score 7.3. The fix reference is an upstream commit. A public PoC reference exists, but the bundle does not establish weaponized or active exploitation.
Likely exposure
Exposure is limited to organizations running phpMyFAQ versions earlier than 3.1.8, especially internet-facing FAQ deployments. The bundle does not identify affected configurations beyond the product and pre-3.1.8 version range.
Exploitation context
The CVE is not listed as KEV in the supplied bundle. Public vulnerability and PoC references exist, so defenders should assume discoverability, but there is no cited evidence here of active exploitation in the wild.
Researcher notes
Evidence supports reflected XSS, CWE-79, affecting thorsten/phpmyfaq before 3.1.8. The supplied CVSS vector unusually lists UI:N for XSS; rely on vendor and CVE data, and avoid assuming exploit mechanics beyond the public references.
Mitigation direction
- Upgrade phpMyFAQ to version 3.1.8 or later after reviewing upstream guidance.
- Confirm the deployed code includes the referenced upstream fix commit.
- Prioritize remediation for internet-facing phpMyFAQ deployments.
- If upgrade is delayed, check vendor guidance for supported temporary mitigations.
- Restrict access to vulnerable deployments where business operations allow.
Validation and detection
- Inventory all phpMyFAQ deployments and record exposed URLs and versions.
- Verify whether each deployment is earlier than phpMyFAQ 3.1.8.
- Confirm patched deployments include the upstream fix or an equivalent vendor release.
- Review web logs for unusual reflected-input activity around public phpMyFAQ pages.
- Use safe staging validation rather than production exploit testing.
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-2022-3766 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
- 7.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.3HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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.