CVE-2026-45014 | BDVDB-2026-339946 Detail

apostrophecmsapostrophe

Description#

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 are vulnerable to stored cross-site scripting via unsanitized user display name in draft version tooltip. As of time of publication, no known patched versions are available.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-hvx2-4ghc-j37m

Exploit#

No public exploit known

History#

Version 12026-06-12Record published in the CVE List.
Version 22026-06-15Most recent update recorded in the CVE List.

Published

Published: 2026-06-12
Last modified: 2026-06-15

Vendor information

Vendor: apostrophecms
Product: apostrophe

All apostrophecms vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 21.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 4.29.0
Fixed
Not stated

Scoring System

CVSS v4.0

5.3 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	Passive
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	Low
Subsequent System Integrity	Low
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).