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Fencer Vulns
medium 6.5

CVE-2023-45050 json

WordPress Jetpack Plugin <= 12.8-a.1 is vulnerable to Cross Site Scripting (XSS)

published 2023-11-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-49371

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automattic Jetpack – WP Security, Backup, Speed, & Growth allows Stored XSS.This issue affects Jetpack – WP Security, Backup, Speed, & Growth: from n/a through 12.8-a.1.

Patch / fix

  • Automattic Jetpack – WP Security, Backup, Speed, & Growth 12.8-a.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • patchstack.com https://patchstack.com/articles/authenticated-stored-xss-in-woocommerce-and-jetpack-plugin?_s_id=cve referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
NVD 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

  • Automattic Jetpack – WP Security, Backup, Speed, & Growth

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.