9.8

CVE-2022-3360: thimpress learnpress Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalModified
Published 31-10-2022Last modified 06-05-2025
Open JSON

Vulnerability summary

CVE-2022-3360 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in thimpress learnpress. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 4.1.7.2.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (wordfence)
EPSS score
2.01%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 31-10-2022
    PublishedVulnerability first disclosed.
  2. 06-05-2025
    Last modifiedVulnerability information updated.

Description

The LearnPress WordPress plugin before 4.1.7.2 unserialises user input in a REST API endpoint available to unauthenticated users, which could lead to PHP Object Injection when a suitable gadget is present, leadint to remote code execution (RCE). To successfully exploit this vulnerability attackers must have knowledge of the site secrets, allowing them to generate a valid hash via the wp_hash() function.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.01%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.04 pp

From 1.98% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.01%

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

Thimpress1 product
Unknown1 product
Wordpress1 product
  • learnpress≤ 4.1.7.1 (fixed in 4.1.7.2)

3 vendors · 3 products

References

2 links