CVE-2021-27340
MEDIUMCVSS 6.1/10EPSS 1.06%
Last modified
CVE-2021-27340 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Os4ed | Opensis | <= 7.6 |
References
- https://github.com/OS4ED/openSIS-Classic/issues/158Issue Tracking, Third Party Advisory
- https://github.com/OS4ED/openSIS-Classic/releasesRelease Notes, Third Party Advisory
- https://github.com/OS4ED/openSIS-Classic/issues/158Issue Tracking, Third Party Advisory
- https://github.com/OS4ED/openSIS-Classic/releasesRelease Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27340?
OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter.
How severe is CVE-2021-27340?
CVE-2021-27340 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27340?
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-2021-27340?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST