XSS in Projectsend
CVE-2021-47947
Projectsend r1295 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input in the 'name' parameter of files-edit.php. Attackers can inject JavaScript payloads through the file name field that execute in the browser when the file is viewed by other users, particularly affecting System Administrator users on the Dashboard page.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (10.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Projectsend — versions r1295
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50240 (exploit)
- www.projectsend.org/ (product)
- www.projectsend.org/download/387/ (product)
- www.vulncheck.com/advisories/projectsend-r1295-stored-cross-site-scripting-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47947?
- CVE-2021-47947 is a medium-severity vulnerability in Projectsend, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-10.
- How severe is CVE-2021-47947?
- Medium severity. CVSS v3 base score is 6.4 out of 10.