PHPList Subscribe Persistent cross site scriting

Published 4 y ago 2022-06-10 · modified 4 mo ago 2026-06-17 · JSON

CVSS

3.5

v3.1 · CNA

CISA KEV

not known exploited

EPSS

0.6%

percentile 49%

Public exploits

none known

A vulnerability, which was classified as problematic, has been found in PHPList 3.2.6. This issue affects some unknown processing of the file /lists/admin/ of the component Subscribe. The manipulation leads to cross site scripting (Persistent). The attack may be initiated remotely. Upgrading to version 3.3.1 is able to address this issue. It is recommended to upgrade the affected component.

CISA SSVC assessment

Exploitation: Proof of concept public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago 2025-04-14

Exploit prediction (EPSS)

0.61% probability of exploitation in the next 30 days, higher than 49% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.1	3.5	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N`
CNA	3.1	3.5	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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`
NVD	2.0	3.5	`AV:N/AC:M/Au:S/C:N/I:P/A:N`

Affected products

unspecified PHPList

Classification

Weakness

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

References

seclists.org /fulldisclosure/2017/Mar/46 · x_refsource_MISC, x_transferred
vuldb.com /?id.98921 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2017-20035
NVD: CVE-2017-20035

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary