Social Slider Feed <= 2.0.4 - Missing Authorization to Cross-Site Scripting

2022-08-01 00:00
WPScanTeam

Strategic Overview

Status
Patched in 2.0.5
Affected Plugin
Social Slider Feed – Social Media Feed & Gallery Widgets
Affected Version
<= 2.0.4
CVSS
7.2High
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE pending
View all Social Slider Feed – Social Media Feed & Gallery Widgets vulnerabilities

At a glance

This record tracks a high-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Social Slider Feed WordPress plugin, affecting versions <= 2.0.4. It carries a CVSS score of 7.2 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 2.0.5; sites on affected versions should update now. Disclosed August 2022, reported by WPScanTeam.

Vulnerability Overview

The Social Slider Feed plugin for WordPress is vulnerable to authenticated arbitrary API key update via the YouTube API key in versions up to, and including 2.0.4. This makes it possible for a subscriber-level attacker to change the API key. Proper sanitization is also missing allowing the attacker to inject malicious code that is executed when someone visits an injected page.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

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

Reaching this weakness in Social Slider Feed <= 2.0.4 takes a caller who can reach the endpoint. 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 Social Slider Feed the fix is 2.0.5: builds <= 2.0.4 are affected, anything from 2.0.5 onward is not.

Remediation

Update to version 2.0.5, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Social Slider Feed: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Social Slider Feed 2.0.5 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

https://www.wordfence.com/threat-intel/vulnerabilities/id/1c63eaea-0a0f-412b-9f1a-3091de3a653a

Related records

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