Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in MyGraph

published 2022-09-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-41762

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

MyGraph is a permission management system. Versions prior to 1.0.4 are vulnerable to a storage XSS vulnerability leading to Remote Code Execution. This issue is patched in version 1.0.4. There is no known workaround.

Patch / fix

fixed in 1

mygraph_project mygraph 1.0.4

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-24)

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/renlm/MyGraph/security/advisories/GHSA-hj4j-923h-927j referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

renlm MyGraph

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page

References

github.com /renlm/MyGraph/security/advisories/GHSA-hj4j-923h-927j
exploit, third-party-advisory

Sources

CVE List CVE-2022-39240
NVD CVE-2022-39240

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