Golang
CVE-2026-2499
MEDIUM
Severity by source
AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The Custom Logo plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2 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.
AnalysisAI
Stored XSS in the WordPress Custom Logo plugin through version 2.2 allows authenticated administrators to inject malicious scripts into admin settings that execute for other users. This affects multi-site WordPress installations and single-site setups where unfiltered_html is disabled, requiring high-privilege attacker access but enabling persistent script injection across affected pages.
Technical ContextAI
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Custom Logo (WordPress plugin). The Custom Logo plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2 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 dis
Affected ProductsAI
Vendor: WordPress. Product: Custom Logo (WordPress plugin).
RemediationAI
Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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