WP Super Cache <= 1.7.2 - Authenticated Remote Code Execution

2021-05-14 00:00

NGA

Strategic Overview

Status

Patched in 1.7.3

Affected PluginWP Super Cache

Affected Version< 1.7.3

CVSS7.2High

CVECVE-2021-24312

View all WP Super Cache vulnerabilities

Vulnerability Overview

The parameters $cache_path, $wp_cache_debug_ip, $wp_super_cache_front_page_text, $cache_scheduled_time, $cached_direct_pages used in the settings of WP Super Cache WordPress plugin before 1.7.3 result in RCE because they allow input of '$' and '\n'. This is due to an incomplete fix of CVE-2021-24209.

Technical Analysis

REMEDIATION: Update to version 1.7.3, or a newer patched version --- IDENTIFIER: CWE-94 (Improper Control of Generation of Code ('Code Injection')) The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24312 https://www.wordfence.com/threat-intel/vulnerabilities/id/733ae8c8-fa52-418d-b42e-75516906fb66

CVSS Vector

7.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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