CVE-2026-28141PoC

LOWCVSS 7.1 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

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

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1.5/ 10 priority

Sources & remediation

Other references

https://patchstack.com/database/wordpress/plugin/nextgen-gallery/vulnerability/wordpress-nextgen-gallery-plugin-4-2-3-cross-site-scripting-xss-vulnerability?_s_id=cve

Weakness type (CWE)

CWE-79

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
1 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

PoC

1100.0%

Referenced assets1 URL

By indicator

https://cloud.projectdiscovery.io/library/CVE-2026-28141

Full discourse1 post

pdnuclei-bot@pdnuclei_bot45d
PoC
🚨 CVE-2026-28141 - high 🚨 NextGEN Gallery <= 4.2.3 - Reflected Cross-Site Scripting > NextGEN Gallery through 4.2.3 reflects a URL-decoded `ngg_tag` route value into the g... 👾 https://cloud.projectdiscovery.io/library/CVE-2026-28141 @pdnuclei #NucleiTemplates #cve
Post summary
The tweet announces a high-severity Reflected XSS vulnerability in NextGEN Gallery (<= 4.2.3) and shares a link to a Nuclei template on the Project Discovery library, indicating the availability of a Proof of Concept (PoC) for detection or exploitation.
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