CVE-2024-47373: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpee

Q: How do I fix CVE-2024-47373?

litespeed cache: upgrade to 6.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-47373 being exploited?

CVE-2024-47373 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-2024-47373 affect?

CVE-2024-47373 affects litespeed cache. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through <= 6.5.0.2.

Q: How urgent is CVE-2024-47373?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2024-47373 is a medium-severity flaw (CVSS 6.5) affecting litespeed cache. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through <= 6.5.0.2.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-10-05
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: litespeedtech

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

Am I affected?

Timeline

2024-10-05 16:15 UTCPublished CVE record published
2026-06-17 07:56 UTCUpdated Record last modified

litespeedtech litespeed cache UPGRADE

Affected: < 6.5.1

Fixed in: 6.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 6.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade litespeed-cache

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade litespeed-cache

Note

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

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-2024-47373?

litespeed cache: upgrade to 6.5.1. Exact commands for each OS are on this page.

Is CVE-2024-47373 being exploited?

CVE-2024-47373 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-2024-47373 affect?

CVE-2024-47373 affects litespeed cache. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through <= 6.5.0.2.

How urgent is CVE-2024-47373?

Priority 27/100. No elevated risk signals yet.

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CVE-2024-47374 HIGH 7.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpee
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References

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