CVE-2020-28071: SourceCodester Alumni Management System 1.0 is affected by cross-site Scripting (XSS) in /admin/gallery.php

Routine

MEDIUM 4.8DOWNGRADE

CVE-2020-28071 is a medium-severity flaw (CVSS 4.8) affecting alumni management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SourceCodester Alumni Management System 1.0 is affected by cross-site Scripting (XSS) in /admin/gallery.php. After the admin authentication an attacker can upload an image in the gallery using a XSS payload in the description textarea called 'about' and reach a stored XSS.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-12-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: alumni 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

2020-12-23 18:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

alumni management system project alumni 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 alumni-management-system || rpm -q alumni-management-system || alumni-management-system --version

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

apt-cache madison alumni-management-system sudo apt install alumni-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold alumni-management-system

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

dnf --showduplicates list alumni-management-system sudo dnf downgrade alumni-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add alumni-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-2020-28071?

alumni management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-28071 being exploited?

CVE-2020-28071 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-2020-28071 affect?

CVE-2020-28071 affects alumni management system. Severity is medium (CVSS 4.8). SourceCodester Alumni Management System 1.0 is affected by cross-site Scripting (XSS) in /admin/gallery.php. After the admin authentication an attacker can upload an image in the gallery using a XSS payload in the description textarea calle

How urgent is CVE-2020-28071?

Priority 36/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2021-25210 CRITICAL 9.8 DOWNGRADE Arbitrary file upload vulnerability in SourceCodester Alumni Management System v 1.0 allows attackers to execu
CVE-2020-29214 CRITICAL 9.8 DOWNGRADE SQL injection vulnerability in SourceCodester Alumni Management System 1.0 allows the user to inject SQL paylo

References

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