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Fencer Vulns
medium 4.8

CVE-2025-4567 json

Post Slider and Carousel with Widget < 3.2.10 - Admin+ Stored XSS

published 2025-06-03 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-16697

cvss
4.8
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 17%
public exploits
0
none known

Summary

The Post Slider and Post Carousel with Post Vertical Scrolling Widget WordPress plugin before 3.2.10 does not validate and escape some of its Widget options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Patch / fix

  • Unknown Post Slider and Post Carousel with Post Vertical Scrolling Widget 3.2.10

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/b8a50ae9-40c4-42f8-9342-2440d3bc12bb/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown Post Slider and Post Carousel with Post Vertical Scrolling Widget

Classification

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

References

Sources

Fencer Vulns 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.