CVE-2017-12097: An exploitable cross site scripting (XSS) vulnerability exists in the filter functionality of the delayed_job_

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MEDIUM 6.1DOWNGRADE

CVE-2017-12097 is a medium-severity flaw (CVSS 6.1) affecting delayed job web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An exploitable cross site scripting (XSS) vulnerability exists in the filter functionality of the delayed_job_web rails gem version 1.4. A specially crafted URL can cause an XSS flaw resulting in an attacker being able to execute arbitrary javascript on the victim's browser. An attacker can phish an authenticated user to trigger this vulnerability.

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	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-01-19
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: delayed job web project

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

Am I affected?

Timeline

2018-01-19 20:29 UTCPublished CVE record published
2026-06-17 01:02 UTCUpdated Record last modified

delayed job web project delayed job web DOWNGRADE

Affected: 1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4

1. Check installed version

apt-cache policy delayed-job-web || rpm -q delayed-job-web || delayed-job-web --version

2. No fixed release: DOWNGRADE to a release before 1.4 (Debian / Ubuntu)

apt-cache madison delayed-job-web sudo apt install delayed-job-web=<VERSION_BEFORE_1.4> sudo apt-mark hold delayed-job-web

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

dnf --showduplicates list delayed-job-web sudo dnf downgrade delayed-job-web-<VERSION_BEFORE_1.4> sudo dnf versionlock add delayed-job-web

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-2017-12097?

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

Is CVE-2017-12097 being exploited?

CVE-2017-12097 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-2017-12097 affect?

CVE-2017-12097 affects delayed job web. Severity is medium (CVSS 6.1). An exploitable cross site scripting (XSS) vulnerability exists in the filter functionality of the delayed_job_web rails gem version 1.4. A specially crafted URL can cause an XSS flaw resulting in an attacker being able to execute arbitrary

How urgent is CVE-2017-12097?

Priority 42/100. Public exploit reference

Software pages

Ruby on Rails vulnerabilities

References

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