CVE-2021-43091 SQL Injection in Yeswiki
An attacker can execute arbitrary SQL commands via the email parameter in the registration form of Yeswiki doryphore.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-43091?
CVE-2021-43091 is a high-severity SQL injection vulnerability in n/a, published on 25 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An SQL Injection vlnerability exits in Yeswiki doryphore 20211012 via the email parameter in the registration form.
Weakness: CWE-89
Which versions are affected by CVE-2021-43091?
2 open source packages ship an affected version, including yeswiki/yeswiki. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
yeswiki/yeswiki Packagist | All versions | 4.1.0 |
yeswiki/yeswiki Packagist | All versions | 4.1.0 |
Products include Yeswiki Yeswiki.
How do I fix CVE-2021-43091?
Upgrade yeswiki/yeswiki to 4.1.0 or later.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-43091 being exploited?
There is no known exploitation of CVE-2021-43091 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2025-46348 YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download
- CVE-2024-51478 Use of a Broken or Risky Cryptographic Algorithm in YesWiki
- CVE-2018-1000641 Deserialization in n/a
- CVE-2025-31131 Path Traversal allowing arbitrary read of files in Yeswiki
- CVE-2025-46349 YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting
Sources
Also known as GHSA-xgx2-332h-9x6q.