CVE-2025-26653 Cross-site scripting in SAP NetWeaver Application Server ABAP (applications based on SAP GUI for HTML)
Attackers can inject malicious JavaScript into SAP NetWeaver ABAP pages, compromising victim browser confidentiality and integrity without requiring privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-26653?
CVE-2025-26653 is a medium-severity cross-site scripting vulnerability in SAP_SE SAP NetWeaver Application Server ABAP (applications based on SAP GUI for HTML), published on 8 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
SAP NetWeaver Application Server ABAP does not sufficiently encode user-controlled inputs, leading to Stored Cross-Site Scripting (XSS) vulnerability. This enables an attacker, without requiring any privileges, to inject malicious JavaScript into a website. When a user visits the compromised page, the injected script gets executed, potentially compromising the confidentiality and integrity within the scope of the victim�s browser. Availability is not impacted.
Weakness: CWE-79
Which versions are affected by CVE-2025-26653?
How do I fix CVE-2025-26653?
No fix has been published for CVE-2025-26653 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-26653 being exploited?
There is no known exploitation of CVE-2025-26653 in the wild and no public exploit code.
Sources
Also known as GHSA-wh7c-4922-674m.