CVE-2024-20800
Published: 04 April 2024
Summary
CVE-2024-20800 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Adobe Experience Manager. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 9.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Adobe Experience Manager versions 6.5.19 and earlier contain a DOM-based cross-site scripting vulnerability tracked as CVE-2024-20800. The flaw, classified under CWE-79, allows injection of malicious scripts into affected web pages, with a CVSS 3.1 score of 5.4 reflecting network attack vector, low attack complexity, low privileges required, and required user interaction.
A low-privileged attacker can supply crafted input that executes arbitrary JavaScript in the context of a victim browser when the user navigates to a page embedding the vulnerable script, resulting in limited confidentiality and integrity impacts within that browser session.
Adobe has published advisory APSB24-05, available at https://helpx.adobe.com/security/products/experience-manager/apsb24-05.html, which addresses the issue for supported Experience Manager releases. The associated EPSS score has remained flat at 0.0561 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-18515
Vulnerability details
Adobe Experience Manager versions 6.5.19 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable web pages. Malicious JavaScript may be executed in a victim’s…
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browser when they browse to the page containing the vulnerable script. This could result in arbitrary code execution within the context of the victim's browser.
- 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.