7.1

CVE-2024-12878: thedevoice lazy_blocks Cross-site Scripting

CVSS: 7.1v3.1HighAnalyzed
Published 26-02-2025Last modified 26-02-2025
Open JSON

Vulnerability summary

CVE-2024-12878 is a high (CVSS 7.1) Cross-site Scripting vulnerability in thedevoice lazy_blocks. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2025
    Last modifiedVulnerability information updated.

Description

The Custom Block Builder WordPress plugin before 3.8.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.62%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

0.00 pp

From 0.62% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Thedevoice1 product
Unknown1 product
Wordpress1 product
  • lazy-blocks≤ 3.8.2 (fixed in 3.8.3)

3 vendors · 3 products

References

2 links