7.5

CVE-2021-24278: query solutions redirection for contact form 7 Incorrect Authorization

CVSS: 7.5v3.1HighModified
Published 14-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-24278 is a high (CVSS 7.5) Incorrect Authorization vulnerability in query solutions redirection for contact form 7. EPSS estimates a 7.36% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 2.3.4.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
7.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 14-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, unauthenticated users can use the wpcf7r_get_nonce AJAX action to retrieve a valid nonce for any WordPress action/function.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

7.36%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 7.36% on 20-09-2026

20-09-202620-10-2026
EPSS score
7.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (wordfence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Query solutions1 product
Querysol1 product
Wordpress1 product
  • wpcf7-redirect< 2.3.4

3 vendors · 3 products

References

3 links