CVE-2023-27008: A Cross-site scripting (XSS) vulnerability in the function encrypt_password() in login.tmpl.php in ATutor 2.2.

Q: How do I fix CVE-2023-27008?

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

Q: Is CVE-2023-27008 being exploited?

CVE-2023-27008 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-27008 affect?

CVE-2023-27008 affects atutor. Severity is medium (CVSS 6.1). A Cross-site scripting (XSS) vulnerability in the function encrypt_password() in login.tmpl.php in ATutor 2.2.1 allows remote attackers to inject arbitrary web script or HTML via the token parameter.

Q: How urgent is CVE-2023-27008?

Priority 45/100. Public exploit reference

This month

MEDIUM 6.1DOWNGRADE

CVE-2023-27008 is a medium-severity flaw (CVSS 6.1) affecting atutor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross-site scripting (XSS) vulnerability in the function encrypt_password() in login.tmpl.php in ATutor 2.2.1 allows remote attackers to inject arbitrary web script or HTML via the token parameter.

Why this priority

Public exploit reference

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	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-03-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: atutor

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

Am I affected?

Timeline

2023-03-28 15:15 UTCPublished CVE record published
2026-06-17 05:44 UTCUpdated Record last modified

atutor atutor DOWNGRADE

Affected: 2.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.1

1. Check installed version

apt-cache policy atutor || rpm -q atutor || atutor --version

2. No fixed release: DOWNGRADE to a release before 2.2.1 (Debian / Ubuntu)

apt-cache madison atutor sudo apt install atutor=<VERSION_BEFORE_2.2.1> sudo apt-mark hold atutor

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

dnf --showduplicates list atutor sudo dnf downgrade atutor-<VERSION_BEFORE_2.2.1> sudo dnf versionlock add atutor

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: ATutor < 2.2.1 - Cross Site Scripting

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-2023-27008?

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

Is CVE-2023-27008 being exploited?

CVE-2023-27008 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-2023-27008 affect?

CVE-2023-27008 affects atutor. Severity is medium (CVSS 6.1). A Cross-site scripting (XSS) vulnerability in the function encrypt_password() in login.tmpl.php in ATutor 2.2.1 allows remote attackers to inject arbitrary web script or HTML via the token parameter.

How urgent is CVE-2023-27008?

Priority 45/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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