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Fencer Intel
medium 5.4

CVE-2025-4133 json

Blog2Social: Social Media Auto Post & Scheduler < 8.4.0 - Contributor+ Stored XSS

published last yr. modified 4mo ago also EUVD-2025-16106

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 8.4.0 does not escape the title of posts when outputting them in a dashboard, which could allow users with the contributor role to perform Cross-Site Scripting attacks.

Patch / fix

  • Unknown Blog2Social: Social Media Auto Post & Scheduler 8.4.0

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/ebd7e5f5-af8d-42ca-b6ff-af92e03d4a3e/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown Blog2Social: Social Media Auto Post & Scheduler

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.