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Fencer Intel
medium 6.1

CVE-2016-4855 json

ADOdb Cross-site scripting vulnerability in old test script

published 2017-05-12 9 y ago modified 2026-06-17 4 mo ago also GHSA-hhfw-xxhm-pf32 , EUVD-2022-4154

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Cross-site scripting vulnerability in ADOdb versions prior to 5.20.6 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Patch / fix

  • packagist adodb/adodb-php 5.20.6
  • libphp-adodb Debian 14, Debian 13, Debian 12 5.20.6-1

debian advisories DEBIAN-CVE-2016-4855

  • libphp-adodb Ubuntu 14.04 LTS 5.15-1+deb7u1build0.14.04.1
  • libphp-adodb Ubuntu Pro 16.04 LTS 5.20.3-1ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2016-4855

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2016-4855 updated cvss 6.1

adodb: cross-site scripting in test 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

1.95% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/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 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist adodb/adodb-php
<5.20.6
5.20.6

Affected products

  • ADOdb ADOdb

Classification

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

References

Sources

Fencer Intel 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.