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Fencer Intel
medium 5.9

CVE-2025-31008 json

WordPress YouTube Embed plugin <= 5.3.1 - Cross Site Scripting (XSS) Vulnerability

published last yr. modified 4mo ago also EUVD-2025-10653

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Embeds For YouTube Plugin Support YouTube Embed youtube-embed allows Stored XSS.This issue affects YouTube Embed: from n/a through <= 5.3.1.

Patch / fix

  • Embeds For YouTube Plugin Support YouTube Embed 5.4

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Affected products

  • Embeds For YouTube Plugin Support YouTube Embed

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.