CVE-2021-34657 TypoFR <= 0.11 Reflected Cross-Site Scripting
Attackers can inject arbitrary web scripts via the text function in the TypoFR WordPress plugin, potentially compromising user sessions.
- 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-2021-34657?
CVE-2021-34657 is a medium-severity cross-site scripting vulnerability in TypoFR, published on 16 Aug 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
The 2TypoFR WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the text function found in the ~/vendor/Org_Heigl/Hyphenator/index.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 0.11.
Weakness: CWE-79
Which versions are affected by CVE-2021-34657?
It affects 1 product.
Products include Typofr Project Typofr.
How do I fix CVE-2021-34657?
No fix has been published for CVE-2021-34657 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-2021-34657 being exploited?
There is no known exploitation of CVE-2021-34657 in the wild and no public exploit code.
Sources
Also known as GHSA-9jgh-8g93-vx79.