Security readout for executives and security teams
Plain-English summary
Quick Restaurant Menu for WordPress up to 2.0.2 has an admin-only stored XSS issue. A logged-in administrator could save script through plugin settings that later runs when an injected page is viewed. The business risk is mainly for multisite or hardened sites where administrator HTML privileges are restricted.
Executive priority
Treat as a targeted cleanup item, not an emergency, unless admin accounts are shared, delegated, or recently compromised. Prioritize confirming plugin usage and updating/removing affected versions across WordPress properties.
Technical view
CVE-2023-0553 is CWE-79 stored cross-site scripting in Quick Restaurant Menu settings parameters. Sources attribute it to insufficient input sanitization and output escaping. It requires administrator-level privileges, high attack complexity, no user interaction, and affects multisite installations or installations where unfiltered_html is disabled.
Likely exposure
Exposure is limited to WordPress sites using Quick Restaurant Menu versions up to and including 2.0.2, especially multisite deployments or sites disabling unfiltered_html. Sites not using the plugin are not exposed based on the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Practical abuse requires administrator-level access, so the main scenario is a compromised admin account, malicious delegated administrator, or multisite tenant with restricted HTML capability.
Researcher notes
The vulnerability is constrained by high privileges and deployment conditions. The WordPress.org changeset indicates sanitization/escaping changes, but the provided evidence does not include exploit activity. Validate through version/configuration review rather than attempting exploitation.
Mitigation direction
- Update Quick Restaurant Menu to a version newer than 2.0.2 after checking vendor guidance.
- Remove the plugin if it is unused or no longer business-critical.
- Restrict administrator access and review multisite delegated admin roles.
- Monitor WordPress admin accounts for compromise or unexpected settings changes.
Validation and detection
- Inventory WordPress sites for Quick Restaurant Menu installations.
- Confirm installed plugin versions are not 2.0.2 or earlier.
- Check whether the site is multisite or has unfiltered_html disabled.
- Review plugin settings pages for unexpected script-like content.
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-2023-0553 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
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/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:H/PR:H/UI:N/S:C/C:L/I:L/A:N1.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cfd8a6a4-9159-480f-abe2-71972585217b?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/quick-restaurant-menu/tags/2.0.2/includes/admin/settings/settings.phpCVE reference
- https://plugins.trac.wordpress.org/changeset/2851871/quick-restaurant-menu/trunk?contextall=1&old=2788636&old_path=%2Fquick-restaurant-menu%2FtrunkCVE reference
- https://www.wordfence.com/blog/2023/02/multiple-vulnerabilities-patched-in-quick-restaurant-menu-plugin/CVE reference
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cfd8a6a4-9159-480f-abe2-71972585217bCVE reference · x_transferred
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.