CVE-2026-24476

Shaarli vulnerable to stored XSS via Suggested Tags

5.3 MediumFix available

Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with " prematurely ends the <input> tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: High
User interaction: Active

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.18%Up 0.2 points since Jan 27, 2026

What each source reports

CVE List Score used 5.3

Shaarli vulnerable to stored XSS via Suggested Tags

Record: CVE-2026-24476
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2026-4824 5.3

Record: EUVD-2026-4824
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

NVD 5.3

Record: CVE-2026-24476
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 5.3

Shaarli vulnerable to stored XSS via Suggested Tags

Record: CVE-2026-24476
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-79
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-24476 5.4

Record: DEBIAN-CVE-2026-24476
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-24476 5.3

Record: UBUNTU-CVE-2026-24476
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`shaarli` Debian:12	before 0.12.1+dfsg-8+deb12u2, plus listed versions 0.12.1+dfsg-80.12.1+dfsg-8+deb12u1	0.12.1+dfsg-8+deb12u2
`shaarli` Debian:13	before 0.14.0+dfsg-2+deb13u1, plus listed versions 0.14.0+dfsg-10.14.0+dfsg-2	0.14.0+dfsg-2+deb13u1
`shaarli` Ubuntu:16.04:LTS	All versions, plus listed versions 0.0.42~beta~dfsg1-20.0.42~beta~dfsg1-2ubuntu1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

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

In short

CVE-2026-24476 is a medium vulnerability (CVSS 5.3) in Shaarli, published January 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. Fixed in shaarli 0.12.1+dfsg-8+deb12u2.