CVE-2021-43675 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in the victim's browser via a crafted album ID in Lychee, potentially leading to session hijacking.
- 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-2021-43675?
CVE-2021-43675 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Dec 2021. 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
Lychee-v3 3.2.16 is affected by a Cross Site Scripting (XSS) vulnerability in php/Access/Guest.php. The function exit will terminate the script and print the message to the user. The message will contain albumID which is controlled by the user.
Weakness: CWE-79
Which versions are affected by CVE-2021-43675?
It affects 1 product.
Products include Lycheeorg Lychee.
How do I fix CVE-2021-43675?
No fix has been published for CVE-2021-43675 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-2021-43675 being exploited?
There is no known exploitation of CVE-2021-43675 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2023-52082 Lychee is vulnerable to an SQL Injection in explain DB queries.
- CVE-2024-25808 Cross-site request forgery in n/a
- CVE-2024-25807 Cross-site scripting in n/a
- CVE-2026-33537 Lychee has SSRF bypass via incomplete IP validation in Photo::fromUrl — loopback and link-local IPs not blocked
- CVE-2026-33738 Lychee Vulnerable to Stored XSS via Photo Description in RSS/Atom/JSON Feed (No Sanitization on Public Endpoint)
Sources
Also known as GHSA-qwgg-mr66-9fcp.