XSS in Job Manager

CVE-2021-39336

The Job Manager WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/admin-jobs.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 0.7.25. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-39336?
CVE-2021-39336 is a medium-severity vulnerability in Job Manager, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2021-10-15.
How severe is CVE-2021-39336?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-39336 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.