XSS in Wpxpo Postx

CVE-2024-3239

The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.0.2 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-3239: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Wpxpo Postx
  • Post Grid Gutenberg Blocks And WordPress Blog Plugin — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-3239?
CVE-2024-3239 is a medium-severity vulnerability in Wpxpo Postx, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-05-14.
How severe is CVE-2024-3239?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2024-3239 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.