Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in nilsteampassnet/teampass

published 2023-05-09 3 y ago modified 2026-06-17 4 mo ago also GHSA-prj5-2g2p-x2mw , EUVD-2023-1602

cvss: 7.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitHub repository nilsteampassnet/teampass prior to 3.0.7.

Patch / fix

fixed in 2 links 2

packagist nilsteampassnet/teampass 3.0.7
nilsteampassnet nilsteampassnet/teampass 3.0.7

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-28)

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/705f79f4-f5e3-41d7-82a5-f00441cd984b referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/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
GitHub	3.0	7.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	nilsteampassnet/teampass	<3.0.7	3.0.7

Affected products

nilsteampassnet nilsteampassnet/teampass

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-94 Improper Control of Generation of Code

References

github.com /nilsteampassnet/teampass/commit/57a977c6323656e5dc06ab5c227e75c3465a1a4a
web, patch
huntr.dev /bounties/705f79f4-f5e3-41d7-82a5-f00441cd984b
web, exploit, patch
nvd.nist.gov /vuln/detail/CVE-2023-2591
advisory
github.com /nilsteampassnet/TeamPass
package

Sources

CVE List CVE-2023-2591
GitHub Advisory GHSA-prj5-2g2p-x2mw
NVD CVE-2023-2591

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