CVE-2020-11456 Cross-site scripting in n/a
An attacker can inject malicious scripts into survey group settings, potentially leading to session hijacking or code execution in LimeSurvey.
- 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-2020-11456?
CVE-2020-11456 is a medium-severity cross-site scripting vulnerability in Limesurvey Limesurvey, published on 1 Apr 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
LimeSurvey before 4.1.12+200324 has stored XSS in application/views/admin/surveysgroups/surveySettings.php and application/models/SurveysGroups.php (aka survey groups).
Weakness: CWE-79
Which versions are affected by CVE-2020-11456?
1 open source package ship an affected version, including limesurvey. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
limesurvey Bitnami | All versions | 4.1.12, 4.1.12, 4.1.13 |
Products include Limesurvey Limesurvey.
How do I fix CVE-2020-11456?
Upgrade limesurvey to a fixed version for your release line: 4.1.12 or 4.1.13.
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-2020-11456 being exploited?
There is no known exploitation of CVE-2020-11456 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Limesurvey Limesurvey
Sources
Also known as BIT-limesurvey-2020-11456, GHSA-8xmq-9rgw-vxxv.