What is CVE-2021-27822?

CVE-2021-27822 is a medium-severity vulnerability in Phpgurukul Vehicle Parking Management System, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-08-19.

How severe is CVE-2021-27822?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Phpgurukul Vehicle Parking Management System

CVE-2021-27822

A persistent cross site scripting (XSS) vulnerability in the Add Categories module of Vehicle Parking Management System 1.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the Category field.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-08-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Phpgurukul Vehicle Parking Management System — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.exploit-db.com/exploits/49595 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27822?: CVE-2021-27822 is a medium-severity vulnerability in Phpgurukul Vehicle Parking Management System, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-08-19.
How severe is CVE-2021-27822?: Medium severity. CVSS v3 base score is 4.8 out of 10.