CVE-2024-34240: QDOCS Smart School 7.0.0 is vulnerable to Cross Site Scripting (XSS) resulting in arbitrary code execution in

Routine

MEDIUM 6.1DOWNGRADE

CVE-2024-34240 is a medium-severity flaw (CVSS 6.1) affecting smart school. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

QDOCS Smart School 7.0.0 is vulnerable to Cross Site Scripting (XSS) resulting in arbitrary code execution in admin functions related to adding or updating records.

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	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-05-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: qdocs

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

Am I affected?

Timeline

2024-05-21 18:15 UTCPublished CVE record published
2026-06-17 07:33 UTCUpdated Record last modified

qdocs smart school DOWNGRADE

Affected: 7.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0.0

1. Check installed version

apt-cache policy smart-school || rpm -q smart-school || smart-school --version

2. No fixed release: DOWNGRADE to a release before 7.0.0 (Debian / Ubuntu)

apt-cache madison smart-school sudo apt install smart-school=<VERSION_BEFORE_7.0.0> sudo apt-mark hold smart-school

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

dnf --showduplicates list smart-school sudo dnf downgrade smart-school-<VERSION_BEFORE_7.0.0> sudo dnf versionlock add smart-school

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-2024-34240?

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

Is CVE-2024-34240 being exploited?

CVE-2024-34240 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-2024-34240 affect?

CVE-2024-34240 affects smart school. Severity is medium (CVSS 6.1). QDOCS Smart School 7.0.0 is vulnerable to Cross Site Scripting (XSS) resulting in arbitrary code execution in admin functions related to adding or updating records.

How urgent is CVE-2024-34240?

Priority 34/100. Public exploit reference

Related CVEs

CVE-2025-41107 MEDIUM 5.4 DOWNGRADE Stored Cross Site Scripting (XSS) vulnerability in Smart School 7.0 due to lack of proper validation of user i
CVE-2025-60500 HIGH 7.2 DOWNGRADE QDocs Smart School Management System 7.1 allows authenticated users with roles such as "accountant" or "admin"
CVE-2024-8784 MEDIUM 6.3 DOWNGRADE A vulnerability classified as critical was found in QDocs Smart School Management System 7.0.0

References

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