CVE-2023-33591: User Registration & Login and User Management System v1.0 was discovered to contain a cross-site scripting (XS

Routine

MEDIUM 6.1DOWNGRADE

CVE-2023-33591 is a medium-severity flaw (CVSS 6.1) affecting user registration \& login and user management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

User Registration & Login and User Management System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the component /admin/search-result.php.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: user registration \& login and user management system project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-21 20:15 UTCPublished CVE record published
2026-06-17 06:01 UTCUpdated Record last modified

user registration \& login and user management system project user registration \& login and user management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy user-registration--login-and-user-management-system || rpm -q user-registration--login-and-user-management-system || user-registration--login-and-user-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison user-registration--login-and-user-management-system sudo apt install user-registration--login-and-user-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold user-registration--login-and-user-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list user-registration--login-and-user-management-system sudo dnf downgrade user-registration--login-and-user-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add user-registration--login-and-user-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-33591?

user registration \& login and user management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-33591 being exploited?

CVE-2023-33591 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-33591 affect?

CVE-2023-33591 affects user registration \& login and user management system. Severity is medium (CVSS 6.1). User Registration & Login and User Management System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the component /admin/search-result.php.

How urgent is CVE-2023-33591?

Priority 29/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-45949 CRITICAL 9.8 DOWNGRADE A critical vulnerability was found in PHPGurukul User Registration & Login and User Management System V3.3 in
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CVE-2025-8157 MEDIUM 6.3 DOWNGRADE A vulnerability was found in PHPGurukul User Registration & Login and User Management 3.3
CVE-2025-8156 MEDIUM 6.3 DOWNGRADE A vulnerability was found in PHPGurukul User Registration & Login and User Management 3.3 and classified as cr
CVE-2025-7543 MEDIUM 6.3 DOWNGRADE A vulnerability was found in PHPGurukul User Registration & Login and User Management System 3.3

References

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