CVE-2026-102333 httpdbg before 2.2.1 Stored Cross-Site Scripting via javascript URL
Attackers can inject malicious JavaScript via recorded URLs, allowing script execution and access to sensitive captured HTTP data in httpdbg.
- 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-2026-102333?
CVE-2026-102333 is a medium-severity cross-site scripting vulnerability in cle-b httpdbg, published on 28 Sep 2026. 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
httpdbg before 2.2.1 fails to validate URL schemes in recorded HTTP request URLs rendered as clickable links in the web interface. Attackers controlling traffic recorded by httpdbg can supply javascript: scheme URLs that execute malicious scripts in the application origin when clicked, allowing access to captured request and response data including headers and tokens.
Weakness: CWE-79
Which versions are affected by CVE-2026-102333?
How do I fix CVE-2026-102333?
No fix has been published for CVE-2026-102333 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-2026-102333 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-102333 exists.
Sources
Also known as GHSA-67v2-cr69-p4wm.