CVE-2018-25052

Catalyst-Plugin-Session Session ID Session.pm _load_sessionid cross site scripting

3.5 LowFix available

A vulnerability has been found in Catalyst-Plugin-Session up to 0.40 and classified as problematic. This vulnerability affects the function _load_sessionid of the file lib/Catalyst/Plugin/Session.pm of the component Session ID Handler. The manipulation of the argument sid leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 0.41 is able to address this issue. The name of the patch is 88d1b599e1163761c9bd53bec53ba078f13e09d4. It is recommended to upgrade the affected component. VDB-216958 is the identifier assigned to this vulnerability.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.57%Down 0.4 points since Dec 29, 2022

What each source reports

CVE List Score used 3.5

Catalyst-Plugin-Session Session ID Session.pm _load_sessionid cross site scripting

Record: CVE-2018-25052
CVSS 3.1: 3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS 3.0: 3.5 LowCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2018-13819 3.5

Record: EUVD-2018-13819
CVSS 3.1: 3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6647-v6q5-pgfg 6.1

A vulnerability has been found in Catalyst-Plugin-Session up to 0.40 and classified as...

Record: GHSA-6647-v6q5-pgfg
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 3.5

Record: CVE-2018-25052
CVSS 3.1: 3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Record: CVE-2018-25052
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-25052 6.1

Record: DEBIAN-CVE-2018-25052
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-25052 3.5

Record: UBUNTU-CVE-2018-25052
CVSS 3.1: 3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Affected products

catalyst-plugin-session project catalyst-plugin-session

Affected packages

Affected packages
Package	Affected	Fixed
`libcatalyst-plugin-session-perl` Debian:12	before 0.41-1	0.41-1
`libcatalyst-plugin-session-perl` Debian:13	before 0.41-1	0.41-1
`libcatalyst-plugin-session-perl` Debian:14	before 0.41-1	0.41-1
`libcatalyst-plugin-session-perl` Ubuntu:18.04:LTS	All versions, plus listed versions 0.40-1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-25052 is a low vulnerability (CVSS 3.5) in Catalyst-plugin-session Project Catalyst-plugin-session, published December 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. Fixed in libcatalyst-plugin-session-perl 0.41-1.