CVE-2015-8603

Cross-site scripting (XSS) vulnerability in Serendipity before 2.0.3 allows remote attackers to...

5.4 Medium

Cross-site scripting (XSS) vulnerability in Serendipity before 2.0.3 allows remote attackers to inject arbitrary web script or HTML via the serendipity[entry_id] parameter in an "edit" admin action to serendipity_admin.php.

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: Low
Integrity: Low
Availability: None

Exploit likelihood

1.17%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 5.4

Record: CVE-2015-8603
CVSS 3.0: 5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-8603
Updated: 2026-11-02

EUVDEUVD-2015-8481 No score

Record: EUVD-2015-8481
Updated: 2026-11-03

GitHub AdvisoriesGHSA-33v3-cfhx-7jr9 5.4

Cross-site scripting (XSS) vulnerability in Serendipity before 2.0.3 allows remote attackers to...

Record: GHSA-33v3-cfhx-7jr9
CVSS 3.0: 5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

s9y serendipity

History

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

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

In short

CVE-2015-8603 is a medium vulnerability (CVSS 5.4) in S9y Serendipity, published January 12, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. No source names a fixed version.