What is CVE-2021-25091?

CVE-2021-25091 is a medium-severity vulnerability in Ylefebvre Link_library, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-01.

How severe is CVE-2021-25091?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-25091 known to be exploited?

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

XSS in Ylefebvre Link_library

CVE-2021-25091

The Link Library WordPress plugin before 7.2.9 does not sanitise and escape the settingscopy parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (52.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ylefebvre Link_library
Unknown Link Library — versions 7.2.9

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

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-2021-25091?: CVE-2021-25091 is a medium-severity vulnerability in Ylefebvre Link_library, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-01.
How severe is CVE-2021-25091?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-25091 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.