Invision Power Board (aka IPB or IP.Board) 2.x through 3.0.4, when Internet Explorer 5 is used, allows XSS via a .txt attachment.

published 2020-03-13 6y ago modified 2026-06-16 4mo ago also EUVD-2009-5113

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.5%; EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known

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Exploit prediction

3.47% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

exploit-db.com https://www.exploit-db.com/exploits/33394 referenced PoC, tagged "exploit" by a source, unverified
packetstormsecurity.com https://packetstormsecurity.com/files/83624/Invision-Power-Board-3.0.4-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

exploit-db.com /exploits/33394
exploit, third-party-advisory, vdb-entry
packetstormsecurity.com /files/83624/Invision-Power-Board-3.0.4-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
community.invisionpower.com /topic/300051-invision-power-board-305-released/
broken-link, vendor-advisory
securityfocus.com /bid/37263/info
third-party-advisory, vdb-entry

Sources

CVE List CVE-2009-5159
NVD CVE-2009-5159

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.