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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (58.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Job Manager — versions 0.7.25
- Wp-Jobmanager Job Manager
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/vulnerability-advisories/ (Third Party Advisory)
- github.com/BigTiger2020/word-press/blob/main/Job Manager.md (Exploit, Third Party Advisory)
- plugins.trac.wordpress.org/browser/job-manager/trunk/admin-jobs.php (Third Party Advisory)
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.