What is CVE-2021-43137?

CVE-2021-43137 is a high-severity vulnerability in Phpgurukul Hostel Management System, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2021-12-01.

How severe is CVE-2021-43137?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-43137 known to be exploited?

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

XSS in Phpgurukul Hostel Management System

CVE-2021-43137

Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) vulnerability exits in hostel management system 2.1 via the name field in my-profile.php. Chaining to this both vulnerabilities leads to account takeover.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Phpgurukul Hostel Management System — versions 2.1

Weakness classification (CWE)

Public proof-of-concept exploits

References

www.exploit-db.com/exploits/50461 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-43137?: CVE-2021-43137 is a high-severity vulnerability in Phpgurukul Hostel Management System, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2021-12-01.
How severe is CVE-2021-43137?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-43137 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.