What is CVE-2021-24431?

CVE-2021-24431 is a medium-severity vulnerability in Language Bar Flags Project, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2021-09-13.

How severe is CVE-2021-24431?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2021-24431 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Language Bar Flags Project

CVE-2021-24431

The Language Bar Flags WordPress plugin through 1.0.8 does not have any CSRF in place when saving its settings and did not sanitise or escape them when generating the flag bar in the frontend. This could allow attackers to make a logged in admin change the settings, and set Cross-Site Scripting payload in them, which will be executed in the frontend for all users

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Language_bar_flags_project Language_bar_flags
Unknown Language Bar Flags — versions 1.0.8

Weakness classification (CWE)

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24431?: CVE-2021-24431 is a medium-severity vulnerability in Language Bar Flags Project, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2021-09-13.
How severe is CVE-2021-24431?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-24431 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.