CVE-2021-24837
MEDIUMCVSS 5.4/10EPSS 0.39%
Last modified
CVE-2021-24837 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Passster Project | Passter | < 3.5.5.8 |
References
- https://wpscan.com/vulnerability/5fea3ac3-d599-41f3-8f76-08f0d3552af1Third Party Advisory
- https://wpscan.com/vulnerability/5fea3ac3-d599-41f3-8f76-08f0d3552af1Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-24837?
The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.
How severe is CVE-2021-24837?
CVE-2021-24837 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2021-24837?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-24837?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST