CVE-2021-27961

Name: CVE-2021-27961
Creator: NVD / NIST
Published: 2025-07-09T19:15:23.963+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2021-27961 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. evesys 7.1 (2152) through 8.0 (2202) allows Reflected XSS via the indexeva.php action parameter.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

evesys 7.1 (2152) through 8.0 (2202) allows Reflected XSS via the indexeva.php action parameter.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.21%

10.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

Timeline

Published: Jul 9, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2021-27961?

evesys 7.1 (2152) through 8.0 (2202) allows Reflected XSS via the indexeva.php action parameter.

How severe is CVE-2021-27961?

CVE-2021-27961 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27961?

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-2021-27961?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST