CVE-2023-46213: In Splunk Enterprise versions below 9.0.7 and 9.1.2, ineffective escaping in the “Show syntax Highlighted” fea

Routine

MEDIUM 4.8UPGRADEUPGRADE

CVE-2023-46213 is a medium-severity flaw (CVSS 4.8) affecting cloud, splunk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Splunk Enterprise versions below 9.0.7 and 9.1.2, ineffective escaping in the “Show syntax Highlighted” feature can result in the execution of unauthorized code in a user’s web browser.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-11-16
Last modified	2026-06-17

Publisher (CNA): Splunk Inc. · Vendor: splunk

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

Am I affected?

Timeline

2023-11-16 21:15 UTCPublished CVE record published
2026-06-17 06:30 UTCUpdated Record last modified

splunk cloud UPGRADE

Affected: < 9.1.2308

Fixed in: 9.1.2308

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 9.1.2308 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cloud

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cloud

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

splunk splunk UPGRADE

Affected: >= 9.0.0 and < 9.0.7 · >= 9.1.0 and < 9.1.2

Fixed in: 9.0.7, 9.1.2

Safe to downgrade to: a release before 9.0.0

1. Check installed version

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

2. UPGRADE to 9.0.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade splunk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade splunk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 9.0.0 (Debian / Ubuntu)

apt-cache madison splunk sudo apt install splunk=<VERSION_BEFORE_9.0.0> sudo apt-mark hold splunk

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list splunk sudo dnf downgrade splunk-<VERSION_BEFORE_9.0.0> sudo dnf versionlock add splunk

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-2023-46213?

cloud: upgrade to 9.1.2308; splunk: upgrade to 9.0.7, 9.1.2. Exact commands for each OS are on this page.

Is CVE-2023-46213 being exploited?

CVE-2023-46213 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-2023-46213 affect?

CVE-2023-46213 affects cloud, splunk. Severity is medium (CVSS 4.8). In Splunk Enterprise versions below 9.0.7 and 9.1.2, ineffective escaping in the “Show syntax Highlighted” feature can result in the execution of unauthorized code in a user’s web browser.

How urgent is CVE-2023-46213?

Priority 27/100. No elevated risk signals yet.

Software pages

Splunk vulnerabilities

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References

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