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Fencer Intel
high 7.1

CVE-2026-28141 json

WordPress NextGEN Gallery plugin <= 4.2.3 - Cross Site Scripting (XSS) vulnerability

published 3mo ago modified 17d ago also EUVD-2026-53944

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known, plus a Nuclei check

Summary

Unauthenticated Cross Site Scripting (XSS) in NextGEN Gallery <= 4.2.3 versions.

Patch / fix

  • Syed Balkhi NextGEN Gallery 4.2.4

Is CVE-2026-28141 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
3mo ago

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template NextGEN Gallery <= 4.2.3 - Reflected Cross-Site Scripting nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected products

  • Syed Balkhi NextGEN Gallery

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.