CVE-2021-24177: filemanagerpro file_manager Cross-site Scripting
Vulnerability summary
CVE-2021-24177 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in filemanagerpro file_manager. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 58.9% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 0 · Duplicates 1Timeline
- 05-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In the default configuration of the File Manager WordPress plugin before 7.1, a Reflected XSS can occur on the endpoint /wp-admin/admin.php?page=wp_file_manager_properties when a payload is submitted on the User-Agent parameter. The payload is then reflected back on the web application response.
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.90%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.90% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (n4nj0.github.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Filemanagerpro1 product
- file_manager< 7.1
Unknown1 product
- file manager≥ 7.1, < 7.1
Wordpress1 product
- wp-file-manager< 7.1
3 vendors · 3 products
References
4 links- n4nj0.github.io/advisories/wordpress-plugin-wp-file-manager-i/X Refsource MISCExploitThird Party Advisory
- wpscan.com/vulnerability/1cf3d256-cf4b-4d1f-9ed8-e2cc6392d8d8X Refsource CONFIRMThird Party Advisory