CVE-2022-24177: A cross-site scripting (XSS) vulnerability in the component cgi-bin/ej.cgi of Ex libris ALEPH 500 v18.1 and v2

Routine

MEDIUM 6.1DOWNGRADE

CVE-2022-24177 is a medium-severity flaw (CVSS 6.1) affecting aleph 500. 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 component cgi-bin/ej.cgi of Ex libris ALEPH 500 v18.1 and v20 allows attackers to execute arbitrary web scripts or HTML.

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	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-03-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: exlibrisgroup

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

Am I affected?

Timeline

2022-03-10 17:45 UTCPublished CVE record published
2026-06-17 04:31 UTCUpdated Record last modified

exlibrisgroup aleph 500 DOWNGRADE

Affected: 18.1 · 20.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 18.1

1. Check installed version

apt-cache policy aleph-500 || rpm -q aleph-500 || aleph-500 --version

2. No fixed release: DOWNGRADE to a release before 18.1 (Debian / Ubuntu)

apt-cache madison aleph-500 sudo apt install aleph-500=<VERSION_BEFORE_18.1> sudo apt-mark hold aleph-500

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

dnf --showduplicates list aleph-500 sudo dnf downgrade aleph-500-<VERSION_BEFORE_18.1> sudo dnf versionlock add aleph-500

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-2022-24177?

aleph 500: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-24177 being exploited?

CVE-2022-24177 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-2022-24177 affect?

CVE-2022-24177 affects aleph 500. Severity is medium (CVSS 6.1). A cross-site scripting (XSS) vulnerability in the component cgi-bin/ej.cgi of Ex libris ALEPH 500 v18.1 and v20 allows attackers to execute arbitrary web scripts or HTML.

How urgent is CVE-2022-24177?

Priority 39/100. Public exploit reference

References

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