Click Studios Passwordstate URL Field cross site scripting

published 2022-12-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43213

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

A vulnerability, which was classified as problematic, was found in Click Studios Passwordstate and Passwordstate Browser Extension Chrome. Affected is an unknown function of the component URL Field Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. VDB-216246 is the identifier assigned to this vulnerability.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-14)

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

modzero.com https://modzero.com/modlog/archives/2022/12/19/better_make_sure_your_password_manager_is_secure/index.html referenced PoC, tagged "exploit" by a source, unverified
modzero.com https://www.modzero.com/static/MZ-22-03_Passwordstate_Security_Disclosure_Report-v1.0.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

Click Studios Passwordstate
Click Studios Passwordstate Browser Extension Chrome

Classification

Weakness

CWE-707 Improper Neutralization
CWE-79 Improper Neutralization of Input During Web Page Generation

References

modzero.com /modlog/archives/2022/12/19/better_make_sure_your_password_manager_is_secure/index.html
exploit, technical-description, third-party-advisory
modzero.com /static/MZ-22-03_Passwordstate_Security_Disclosure_Report-v1.0.pdf
exploit, third-party-advisory
vuldb.com /?id.216246
permissions-required, third-party-advisory, vdb-entry

Sources

CVE List CVE-2022-3877
NVD CVE-2022-3877

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