Cross-site Scripting (XSS) - Stored in usememos/memos

published 2022-12-31 3 y ago modified 2026-06-17 4 mo ago also GHSA-8w5q-5fpq-v4pm , EUVD-2022-7571

cvss: 8.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1.

Patch / fix

fixed in 2 links 1

go github.com/usememos/memos 0.9.1
usememos usememos/memos 0.9.1

github.com/usememos/memos@7670c95 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 19 mo ago (2025-04-09)

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/cd8765a2-bf28-4019-8647-882ccf63b2be referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
NVD	3.1	9.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
GitHub	3.1	9.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
go	github.com/usememos/memos	<0.9.1	0.9.1

Affected products

usememos usememos/memos

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /usememos/memos/commit/7670c9536000bb32c6345d4906a91268dcddd5fc
web, patch, third-party-advisory
huntr.dev /bounties/cd8765a2-bf28-4019-8647-882ccf63b2be
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-4865
advisory
github.com /usememos/memos
package

Sources

CVE List CVE-2022-4865
GitHub Advisory GHSA-8w5q-5fpq-v4pm
NVD CVE-2022-4865

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