CVE-2026-78293Disclosure

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 WP w3all phpBB <= 3.0.6 versions.

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1.5/ 10 priority

Sources & remediation

Other references

https://patchstack.com/database/wordpress/plugin/wp-w3all-phpbb-integration/vulnerability/wordpress-wp-w3all-phpbb-plugin-3-0-6-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
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://www.valtersit.com/cve/CVE-2026-78293/

Full discourse1 post

Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters46d
Disclosure
CVE-2026-78293 - Unauthenticated XSS in WP w3all phpBB (<= 3.0.6). CVSS 7.1. Vulnerability is currently unpatched. Mitigate risk immediately. #CVE #WordPress #infosec https://www.valtersit.com/cve/CVE-2026-78293/ #CVE #CVEAlert #infosec #SysAdmin #cybersecurity #Linux #devsecops #devops #developer #sysadmin #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #ethicalhacking #cybersecurityawareness #cybersecurity #cybersecuritynews #cybersecuritytips #python #hacker #linux #kali #ubuntu #debian #ukraine #spain #ireland #unitedkingdom #canada #finland #estonia #lithuania #ireland #hungary #denmark #norway #malta #mexico #switczerland #china #france #germany #docker
Post summary
The tweet announces CVE‑2026‑78293, detailing an unauthenticated XSS flaw with a CVSS score of 7.1 and noting it remains unpatched, while providing a link for further information.
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