CVE-2026-25438Disclosure

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeHunk Gutenberg Blocks unlimited-blocks allows Reflected XSS.This issue affects Gutenberg Blocks: from n/a through <= 1.2.8.

Back to dashboard

1.5/ 10 priority

Sources & remediation

Other references

https://patchstack.com/database/Wordpress/Plugin/unlimited-blocks/vulnerability/wordpress-gutenberg-blocks-unlimited-blocks-for-gutenberg-plugin-1-2-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Weakness type (CWE)

CWE-79

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

Public PoC is present in monitored signal
3 mentions across 3 observed days
Momentum state: stable

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 2 signals
Disclosure: 2 classified signals
Peaked 2d ago at 1 mentions (2026-03-19); latest day: 1
3 total mentions across 3 days

Deep dive

Activity timeline3 mentions / 3d

Signal classification2 categories

Disclosure

266.7%

PoC

133.3%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-03-19	1	Disclosure1
2026-03-23	1	Disclosure1
2026-04-09	1	PoC1

Full discourse3 posts

Atomic Edge@atomicedgeWAF182d
PoC
https://atomicedge.io/cve-proof/cve-2026-25438-unlimited-blocks-version-1-2-8-medium-vulnerability-proof-of-concept CVE-2026-25438 #WordPress plugin #vulnerability unlimited-blocks #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atomicedge
Post summary
The post shares a link to a Proof of Concept for CVE-2026-25438 affecting the Unlimited Blocks WordPress plugin, but does not detail exploitation methods, active use, patches, or technical specifics.
0000044
6 followersView on X
CVE@CVEnew200d
Disclosure
CVE-2026-25438 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeHunk Gutenberg Blocks allows Reflected XSS.This issue affec… https://www.cve.org/CVERecord?id=CVE-2026-25438
Post summary
The tweet announces CVE-2026-25438, a reflected XSS vulnerability in ThemeHunk Gutenberg Blocks, but provides no PoC, exploit, patch, or evidence of ongoing exploitation.
00000179
56.8K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds203d
Disclosure
CVE-2026-25438 Reflected XSS Vulnerability in ThemeHunk Gutenberg Blocks Before 1.2.8 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-25438
Post summary
The text announces a reflected XSS vulnerability (CVE‑2026‑25438) affecting ThemeHunk Gutenberg Blocks versions prior to 1.2.8, without providing PoC, exploit code, or patch details.
0000028
4.0K followersView on X

Explore more

Back to dashboard