6.4

CVE-2026-66437: themeisle feedzy Server-Side Request Forgery (SSRF)

CVSS: 6.4v3.1MediumDeferred
Published 27-07-2026Last modified 27-07-2026
Open JSON

Vulnerability summary

CVE-2026-66437 is a medium (CVSS 6.4) Server-Side Request Forgery (SSRF) vulnerability in themeisle feedzy. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.9% of scored vulnerabilities. Fixed in 5.2.5.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.1 (wordfence)
EPSS score
0.19%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-07-2026
    PublishedVulnerability first disclosed.
  2. 27-07-2026
    Last modifiedVulnerability information updated.

Description

Contributor Server Side Request Forgery (SSRF) in Feedzy <= 5.2.4 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.07 pp

From 0.12% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.19%

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

Themeisle1 product
Wordpress1 product
  • feedzy-rss-feeds≤ 5.2.4 (fixed in 5.2.5)

2 vendors · 2 products

References

2 links