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CVE Record

CVE-2023-34017: WordPress Five Star Restaurant Reservations Plugin <= 2.6.7 is vulnerable to Cross Site Scripting (XSS)

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in FiveStarPlugins Five Star Restaurant Reservations plugin <= 2.6.7 versions.

HighCVSS 7.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A public WordPress site using Five Star Restaurant Reservations 2.6.7 or earlier may expose visitors or staff to reflected cross-site scripting. An attacker would still need user interaction, such as getting someone to open a crafted link. The sources do not show active exploitation.

Executive priority

Treat this as a high-priority web exposure issue for affected restaurant sites, but not as confirmed emergency exploitation based on the supplied sources. Focus on fast inventory and removal or vendor-guided update.

Technical view

CVE-2023-34017 is an unauthenticated reflected XSS issue in FiveStarPlugins Five Star Restaurant Reservations, plugin slug restaurant-reservations, reported for versions up to 2.6.7. It is CWE-79 with CVSS 3.1 score 7.1, network reachable, low complexity, no privileges required, user interaction required, and changed scope.

Likely exposure

Exposure is likely limited to WordPress sites with the Five Star Restaurant Reservations plugin installed at version 2.6.7 or earlier, especially public restaurant booking sites.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle, and no cited source states active exploitation. The CVSS vector indicates a remote unauthenticated attacker can trigger impact only with user interaction.

Researcher notes

The public bundle does not include affected endpoint, parameter, proof of concept, or explicit fixed version. Validate only through safe version inventory and vendor-backed checks. Avoid assuming exploit maturity beyond the CVSS properties and Patchstack vulnerability record.

Mitigation direction

  • Inventory WordPress sites for the restaurant-reservations plugin.
  • Remove or disable the plugin where it is not required.
  • Check vendor or Patchstack guidance for a safe fixed version.
  • Prioritize upgrade or removal on public booking sites.
  • Use XSS-focused WAF rules as temporary risk reduction.

Validation and detection

  • Confirm whether the plugin is installed on each WordPress site.
  • Record the installed version and flag 2.6.7 or earlier.
  • Review public pages where restaurant reservations are exposed.
  • Check access logs for unusual XSS-like query patterns.
  • Verify remediation by confirming the vulnerable version is absent.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

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 lookup
cve · low confidence lookup

CVE-2023-34017 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.1 (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:L

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.1High
CVSS 3.1 vector shape for CVE-2023-34017Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
FiveStarPluginsFive Star Restaurant Reservationsrestaurant-reservations, n/aunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

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.