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Readabler CVE-2026-78576

| EUVDEUVD-2026-65356 HIGH
SQL Injection (CWE-89)
2026-08-25 Wordfence GHSA-p7qj-6prj-qvr8
7.5
CVSS 3.1 · Vendor: Wordfence
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Severity by source

Vendor (Wordfence) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
7.5 HIGH

Unauthenticated network-accessible SQL injection yielding database read-only exfiltration; description and CVSS I:N/A:N confirm no write or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch available
Aug 25, 2026 - 11:01 EUVD
Analysis Generated
Aug 25, 2026 - 10:06 vuln.today
CVE Published
Aug 25, 2026 - 09:27 cve.org
HIGH 7.5

DescriptionCVE.org

The Readabler plugin for WordPress is vulnerable to SQL Injection in all versions up to 2.0.18 (exclusive) due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

AnalysisAI

SQL Injection in the Readabler WordPress plugin affects all versions prior to 2.0.18, allowing unauthenticated remote attackers to append malicious SQL clauses to existing database queries and exfiltrate sensitive data from the WordPress database. The flaw stems from insufficient escaping of user-supplied input combined with unprepared SQL queries inside the plugin. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site running Readabler below 2.0.18
Exploit
Send crafted HTTP request with injected SQL payload
Execution
Inject clause appended to existing DB query
Impact
Extract sensitive records from WordPress database

Vulnerability AssessmentAI

Exploitation No special conditions are required beyond the presence of the Readabler plugin at a version below 2.0.18 on a network-accessible WordPress installation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N places this at peak exploitability for a read-only injection: fully remote, unauthenticated, no user interaction, no special conditions, with high confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker sends a crafted HTTP request to a WordPress site running a vulnerable version of Readabler, injecting SQL syntax into an insufficiently sanitized parameter. The injected payload appends a UNION SELECT or stacked query clause, causing the database to return sensitive records such as WordPress user password hashes, email addresses, or stored plugin data. …
Remediation Upgrade the Readabler WordPress plugin to version 2.0.18 or later, which is identified as the first non-vulnerable version per the Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/baaa9688-dfdc-4ab2-b033-fe2b13a42e77) and the Patchstack report (https://patchstack.com/database/wordpress/plugin/readabler/vulnerability/wordpress-readabler-plugin-2-0-18-sql-injection-vulnerability). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: audit all WordPress installations to identify Readabler plugin presence and versions; implement Web Application Firewall rules to block SQL injection attempts targeting the vulnerable plugin. …

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CVE-2026-78576 vulnerability details – vuln.today

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