Security readout for executives and security teams
Plain-English summary
CVE-2022-33978 is a reflected XSS issue in the WordPress FontMeister plugin version 1.08 and earlier. A successful attack could run script in a visitor or administrator browser after user interaction. The source bundle does not show active exploitation.
Executive priority
Treat as a moderate-priority web application risk. It is not listed as actively exploited, but vulnerable public WordPress sites can expose users or administrators to browser-based compromise if the plugin remains installed.
Technical view
The vulnerability is CWE-79 reflected cross-site scripting in FontMeister for WordPress, affecting versions <= 1.08. CVSS 3.1 is 6.1, network-accessible, unauthenticated, low complexity, requiring user interaction, with low confidentiality and integrity impact and no availability impact.
Likely exposure
Exposure is limited to WordPress sites that have the FontMeister plugin installed at version 1.08 or earlier. Sites not using this plugin are not affected based on the provided sources.
Exploitation context
The source bundle does not report active exploitation, and KEV status is false. Exploitation requires user interaction and would affect the browser context, consistent with reflected XSS, rather than indicating direct server compromise.
Researcher notes
Evidence identifies the affected product and version range but does not provide a specific fixed version in the source bundle. Avoid assuming exploit availability or patch details beyond the cited CVE, Patchstack, and WordPress plugin references.
Mitigation direction
- Inventory WordPress sites for the FontMeister plugin and installed version.
- Check the plugin page and Patchstack entry for current vendor guidance.
- Update, replace, or disable FontMeister if no safe maintained version is available.
- Prioritize sites where administrators use the plugin or visit untrusted links.
Validation and detection
- Confirm whether FontMeister is installed on each WordPress site.
- Verify no installed FontMeister version is 1.08 or earlier.
- Review security tooling or WAF logs for XSS-related alerts around WordPress pages.
- Document remediation status for affected sites and any exceptions.
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-2022-33978 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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.
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:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.