The Debug Log Manager – Conveniently Monitor and Inspect Errors plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'message (and pageUrl)' parameter in all versions up to, and including, 2.5.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Successful exploitation requires that the site administrator has debug logging enabled with JS error logging active, and that the attacker can obtain the publicly emitted dlmVars.jsErrorLogging nonce — which is broadcast on every frontend page — to pass the nonce check on the unauthenticated endpoint.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
qriouslad:debug log manager – conveniently monitor and inspect errors
References 8
https://plugins.trac.wordpress.org/browser/debug-log-manager/tags/2.5.2/bootstr…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/debug-log-manager/tags/2.5.2/bootstr…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/debug-log-manager/tags/2.5.2/classes…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/debug-log-manager/tags/2.5.2/classes…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/debug-log-manager/tags/2.5.2/classes…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/debug-log-manager/tags/2.5.2/classes…
security@wordfence.com
https://plugins.trac.wordpress.org/changeset?reponame=&old=3754121%40debug-log-…
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/904181bc-fd56-4296-9c…
security@wordfence.com