9.8

CVE-2024-31211: wordpress Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2024-31211DEBIAN-CVE-2024-31211
Published 04-04-2024Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2024-31211 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in wordpress. EPSS estimates a 2.76% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities. Fixed in 6.4.2.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-04-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

WordPress is an open publishing platform for the Web. Unserialization of instances of the `WP_HTML_Token` class allows for code execution via its `__destruct()` magic method. This issue was fixed in WordPress 6.4.2 on December 6th, 2023. Versions prior to 6.4.0 are not affected.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

2.76%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.76% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.76%

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

Wordpress3 products
  • wordpress6.4.0 (fixed in 6.4.2) | 6.4.1 (fixed in 6.4.2)
  • wordpress≥ 6.4.0, < 6.4.2
  • wordpress-develop≥ 6.4.0 < 6.4.2 (No fix recorded)
Debian1 product
  • wordpress< 6.4.2+dfsg1-1
Ubuntu1 product
  • wordpressAll versions (No fix recorded)

3 vendors · 5 products

References

7 links