Security readout for executives and security teams
Plain-English summary
CVE-2023-35779 is a stored cross-site scripting issue in the WordPress Seed Fonts plugin, reported for versions up to 2.3.1. An authenticated admin-level user could store script content that later runs in another user’s browser. Risk is narrower than internet-facing unauthenticated bugs, but compromised admin accounts can make it meaningful.
Executive priority
Treat this as a targeted WordPress hygiene item, not a broad emergency. Prioritize internet-facing business sites using Seed Fonts and any environment with shared or weakly controlled admin access.
Technical view
The source bundle describes CWE-79 stored XSS in Seed Webs Seed Fonts for WordPress, with CVSS 3.1 score 5.9 and vector AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L. The issue requires high privileges and user interaction, with changed scope and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running the Seed Fonts plugin, especially version 2.3.1 or versions described as <= 2.3.1. Sites without this plugin are not affected based on the supplied sources.
Exploitation context
The bundle does not show CISA KEV listing or other evidence of active exploitation. The CVSS vector indicates exploitation requires network access, low technical complexity, admin-level authentication, and user interaction after malicious content is stored.
Researcher notes
The available sources do not identify the vulnerable parameter, fixed version, patch commit, or exploit maturity. Do not assume broader WordPress impact beyond Seed Fonts. The high-privilege requirement materially reduces likelihood but does not eliminate risk from compromised administrators.
Mitigation direction
- Inventory WordPress sites for the Seed Fonts plugin and installed version.
- Check Seed Webs, WordPress, or Patchstack guidance for a fixed version or vendor mitigation.
- Upgrade, remove, or disable the plugin where vendor guidance supports that action.
- Restrict and review WordPress admin-level accounts, especially on affected sites.
- Monitor affected sites for unexpected plugin setting changes or injected script content.
Validation and detection
- Confirm whether Seed Fonts is installed on each WordPress site.
- Record the installed plugin version and compare it with <= 2.3.1 exposure.
- Review Seed Fonts-managed settings or font content for unexpected script-like entries.
- Review admin account activity around plugin configuration changes.
- After remediation, confirm the plugin is upgraded, removed, or disabled.
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-2023-35779 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
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/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.