A cross-site scripting (XSS) vulnerability in the PdfViewer component of Agenzia Impresa Eccobook 2.81.1 allows attackers to execute arbitr…

published 2025-08-07 15 mo ago modified 2026-07-05 4 mo ago also EUVD-2025-23939

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

A cross-site scripting (XSS) vulnerability in the PdfViewer component of Agenzia Impresa Eccobook 2.81.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Temp parameter.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 15 mo ago (2025-08-07)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /CapgeminiCisRedTeam/Disclosure/blob/main/CVE%20PoC/CVE-2025-51629%20%7C%20Eccobook.md

Sources

CVE List CVE-2025-51629
NVD CVE-2025-51629

Fencer Vulns 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.

Summary