CVE-2021-26800: Cross Site Request Forgery (CSRF) vulnerability in Change-password.php in phpgurukul user management system in

Routine

MEDIUM 6.5DOWNGRADE

CVE-2021-26800 is a medium-severity flaw (CVSS 6.5) affecting user management system in php stored procedure. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Request Forgery (CSRF) vulnerability in Change-password.php in phpgurukul user management system in php using stored procedure V1.0, allows attackers to change the password to an arbitrary account.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-12-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: user management system in php stored procedure project

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

Am I affected?

Timeline

2021-12-16 20:15 UTCPublished CVE record published
2026-06-17 03:43 UTCUpdated Record last modified

user management system in php stored procedure project user management system in php stored procedure 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-management-system-in-php-stored-procedure || rpm -q user-management-system-in-php-stored-procedure || user-management-system-in-php-stored-procedure --version

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

apt-cache madison user-management-system-in-php-stored-procedure sudo apt install user-management-system-in-php-stored-procedure=<VERSION_BEFORE_1.0> sudo apt-mark hold user-management-system-in-php-stored-procedure

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

dnf --showduplicates list user-management-system-in-php-stored-procedure sudo dnf downgrade user-management-system-in-php-stored-procedure-<VERSION_BEFORE_1.0> sudo dnf versionlock add user-management-system-in-php-stored-procedure

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-2021-26800?

user management system in php stored procedure: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-26800 being exploited?

CVE-2021-26800 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-2021-26800 affect?

CVE-2021-26800 affects user management system in php stored procedure. Severity is medium (CVSS 6.5). Cross Site Request Forgery (CSRF) vulnerability in Change-password.php in phpgurukul user management system in php using stored procedure V1.0, allows attackers to change the password to an arbitrary account.

How urgent is CVE-2021-26800?

Priority 32/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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