IBM FileNet Content Manager and IBM Content Navigator 3.0.CD is vulnerable to stored cross-site scripting.

published 2020-12-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26004

cvss: 6.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits: 0; none known

IBM FileNet Content Manager and IBM Content Navigator 3.0.CD is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 188600.

Patch / fix

links 1

ibm.com/support/pages/node/6388806 advisory

Exploit prediction

1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gosecure.net https://www.gosecure.net/blog/2022/06/21/xss-vulnerability-in-ibm-content-navigator-cve-2020-4757/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.4	CVSS:3.0/C:L/I:L/A:N/UI:N/AV:N/S:C/PR:L/AC:L/E:H/RL:O/RC:C
NVD	3.1	6.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CNA	3.0	6.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

IBM Content Navigator

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

ibm.com /support/pages/node/6388806
patch, vendor-advisory
gosecure.net /blog/2022/06/21/xss-vulnerability-in-ibm-content-navigator-cve-2020-4757/
exploit, third-party-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/188600
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-4757
NVD CVE-2020-4757

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