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Fencer Vulns
medium 6.1

CVE-2021-40926 json

Cross-site scripting in demos/demo.mysqli.php in getID3

published 2021-10-01 5 y ago modified 2026-06-17 4 mo ago also GHSA-x2gw-85w6-fjjw , EUVD-2021-2270

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in demos/demo.mysqli.php in getID3 1.X and v2.0.0-beta allows remote attackers to inject arbitrary web script or HTML via the showtagfiles parameter.

Patch / fix

  • packagist james-heinrich/getid3 1.9.21
  • getid3 getid3 2.0.0
  • php-getid3 Debian 14, Debian 13, Debian 12 1.9.21+dfsg-1

debian advisories DEBIAN-CVE-2021-40926

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-40926 updated cvss 6.1

php-getid3: xss in demos/demo.mysqli.php allows remote attackers to inject arbitrary web script

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/JamesHeinrich/getID3/issues/341 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist james-heinrich/getid3
>=1.0.0, <1.9.21
1.9.21

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

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.