CVE-2023-1780
Published: 10 July 2023
Summary
CVE-2023-1780 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Codeermeneer Companion Sitemap Generator. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 5.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The vulnerability is a reflected cross-site scripting flaw (CWE-79) in the Companion Sitemap Generator WordPress plugin before version 4.5.3. The plugin does not sanitize or escape certain parameters before echoing them back into pages, producing a reflected XSS condition rated at CVSS 6.1.
An unauthenticated attacker can supply a crafted URL containing malicious script content; when a high-privilege user such as an administrator follows the link, the script executes in that user's browser context, enabling limited confidentiality and integrity impacts.
The supplied references point to WPScan entries that document the issue and the corrective release. The EPSS score remains flat at 0.1602 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-23987
Vulnerability details
The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.