CVE-2023-5771 HTML injection in AdminUI through email subject
Unauthenticated attackers can inject HTML into email subjects to trigger stored XSS in the AdminUI, potentially compromising administrator accounts.
- 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-2023-5771?
CVE-2023-5771 is a medium-severity cross-site scripting vulnerability in Proofpoint Enterprise Protection, published on 6 Nov 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
Proofpoint Enterprise Protection contains a stored XSS vulnerability in the AdminUI. An unauthenticated attacker can send a specially crafted email with HTML in the subject which triggers XSS when viewing quarantined messages. This issue affects Proofpoint Enterprise Protection: from 8.20.0 before patch 4796, from 8.18.6 before patch 4795 and all other prior versions.
Weakness: CWE-79
Which versions are affected by CVE-2023-5771?
It affects 1 product.
Products include Proofpoint Enterprise Protection.
How do I fix CVE-2023-5771?
No fix has been published for CVE-2023-5771 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-2023-5771 being exploited?
There is no known exploitation of CVE-2023-5771 in the wild and no public exploit code.
Other vulnerabilities in Proofpoint Enterprise Protection
- CVE-2023-0090 Proofpoint Enterprise Protection webservices unauthenticated RCE
- CVE-2022-46332 Proofpoint Enterprise Protection (PPS/PoD) XSS in "Attachment Names"
- CVE-2023-0089 Proofpoint Enterprise Protection webutils authenticated RCE
- CVE-2019-19680 Security feature bypass in n/a
- CVE-2022-46334 Proofpoint Enterprise Protection Local Privilege Escalation
Sources
Also known as GHSA-m8wv-7jj8-p8pv.