CVE-2023-27499 Cross-Site Scripting (XSS) vulnerability in SAP GUI for HTML
Reflected XSS in SAP GUI for HTML allows attackers to execute scripts in victims' browsers via malicious URLs, enabling data theft or modification.
- 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-2023-27499?
CVE-2023-27499 is a medium-severity cross-site scripting vulnerability in Sap Netweaver, published on 11 Apr 2023. 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 GUI for HTML - versions KERNEL 7.22, 7.53, 7.54, 7.77, 7.81, 7.85, 7.89, 7.91, KRNL64UC, 7.22, 7.22EXT, KRNL64UC 7.22, 7.22EXT does not sufficiently encode user-controlled inputs, resulting in a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could craft a malicious URL and lure the victim to click, the script supplied by the attacker will execute in the victim user's browser. The information from the victim's web browser can either be modified or read and sent to the attacker.
Weakness: CWE-79
Which versions are affected by CVE-2023-27499?
It affects 2 products.
Products include Sap Netweaver, Sap Netweaver Application Server Abap.
How do I fix CVE-2023-27499?
No fix has been published for CVE-2023-27499 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-2023-27499 being exploited?
There is no known exploitation of CVE-2023-27499 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver
Sources
Also known as GHSA-mqmw-59rf-wv9g.