CVE-2020-23710 Cross-site scripting in n/a
Attackers can inject malicious scripts via the Notifications & data feature in LimeSurvey, potentially compromising user sessions or data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-23710?
CVE-2020-23710 is a medium-severity cross-site scripting vulnerability in Limesurvey Limesurvey, published on 28 Jun 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross Site Scripting (XSS) vulneraiblity in LimeSurvey 4.2.5 on textbox via the Notifications & data feature.
Weakness: CWE-79
Which versions are affected by CVE-2020-23710?
1 open source package ship an affected version, including limesurvey. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
limesurvey Bitnami | From 4.2.5 | 4.2.6 |
Products include Limesurvey Limesurvey.
How do I fix CVE-2020-23710?
Upgrade limesurvey to 4.2.6 or later.
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-2020-23710 being exploited?
There is no known exploitation of CVE-2020-23710 in the wild and no public exploit code.
Other vulnerabilities in Limesurvey Limesurvey
Sources
Also known as BIT-limesurvey-2020-23710, GHSA-h4f9-mmrc-885h.