What is CVE-2017-12811?

CVE-2017-12811 is a medium-severity vulnerability in Stivasoft Phpjabbers Star Rating Script, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-12-30.

How severe is CVE-2017-12811?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Stivasoft Phpjabbers Star Rating Script

CVE-2017-12811

PHPJabbers Star Rating Script 4.0 has stored XSS via a rating item.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-12-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (49.7th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000

Affected products

Stivasoft Phpjabbers Star Rating Script — versions 4.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

pastebin.com/raw/G1gyUSSa (Third Party Advisory)

Frequently asked questions

What is CVE-2017-12811?: CVE-2017-12811 is a medium-severity vulnerability in Stivasoft Phpjabbers Star Rating Script, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-12-30.
How severe is CVE-2017-12811?: Medium severity. CVSS v3 base score is 6.1 out of 10.