6.5

CVE-2024-51915: litespeed technologies litespeed cache Cross-site Scripting

CVSS: 6.5v3.1MediumDeferred
Published 20-02-2026Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2024-51915 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in litespeed technologies litespeed cache. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.5% of scored vulnerabilities. Fixed in 6.5.3.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-02-2026
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

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 <= 6.5.2.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

+0.02 pp

From 0.24% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Litespeed technologies1 product
Wordpress1 product
  • litespeed-cache≤ 6.5.2 (fixed in 6.5.3)

2 vendors · 2 products

References

2 links