CVE-2023-6037

WP TripAdvisor Review Slider <= 11.8 - Authenticated (Admin+) Stored Cross-Site Scripting

2023-12-11 00:00

Strategic Overview

Status: Patched in 11.9
Affected Plugin: WP TripAdvisor Review Slider
Affected Version: <= 11.8
CVSS: 4.4Medium
Weakness type: CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE: CVE-2023-6037

View all WP TripAdvisor Review Slider vulnerabilities

At a glance

CVE-2023-6037 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the WP TripAdvisor Review Slider WordPress plugin, affecting versions <= 11.8. It carries a CVSS score of 4.4 (reachable over the network). Exploitation requires an authenticated account at Admin level or above. The issue is fixed in version 11.9; sites on affected versions should update now. Disclosed December 2023, reported by Felipe Restrepo Rodriguez (pfelilpe).

Vulnerability Overview

The WP TripAdvisor Review Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 11.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, and no interaction from a victim user.

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Reaching this weakness in WP TripAdvisor Review Slider <= 11.8 takes an account at Admin level or above. Cross-site scripting happens when input from a request is written into a page without being escaped for the context it lands in, so the browser parses attacker-supplied text as markup or script.

Injected script runs with the privileges of whoever views the affected page, which is how these flaws turn into administrator session theft, silent account creation or persistent backdoors in page content. For WP TripAdvisor Review Slider the fix is 11.9: builds <= 11.8 are affected, anything from 11.9 onward is not.

Remediation

Update to version 11.9, or a newer patched version

How does WordSec protect against this?

An attacker needs Admin access first, so the firewall sees the attempt as traffic from a logged-in account: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: WP TripAdvisor Review Slider 11.9 closes this, and updating the plugin is the step that ends it.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-6037 https://www.wordfence.com/threat-intel/vulnerabilities/id/bee43fe3-d39a-475e-90c5-24fa569c646a https://nvd.nist.gov/vuln/detail/CVE-2023-6037

Related records

Same weakness class

CVSS Vector

4.4

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

Base

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredHigh
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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