CVE-2023-43879 — Rite CMS 3.0 has a Cross-Site scripting (XSS) vulnerability that allows attackers to execute arbitrary code via a crafted payload into the Global Content Blocks in the Administration Menu

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MEDIUM

Rite CMS 3.0 has a Cross-Site scripting (XSS) vulnerability that allows attackers to execute arbitrary code via a crafted payload into the Global Content Blocks in the Administration Menu

Published Sep 28, 2023

4.8

MEDIUM

CVSS 3.1

EPSS 0.53%

Description

Rite CMS 3.0 has a Cross-Site scripting (XSS) vulnerability that allows attackers to execute arbitrary code via a crafted payload into the Global Content Blocks in the Administration Menu.

Affected products

Vendor Ritecms Product Ritecms Default
n/a
- Version
  3.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Ritecms

n/a

Version	Status	Constraints
3.0	affected	-

Remediation

No remediation recorded yet.

Metrics

0.53% 0.00526

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00526

Score over time

2023–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (7 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.53% (0.00526)	42.57th	v5 (v2026.06.15)
Jun 15, 2026	0.49% (0.00486)	37.85th	v5 (v2026.06.15)
Mar 17, 2025	0.28% (0.00284)	49.78th	v4 (v2025.03.14)
Dec 12, 2024	0.06% (0.00062)	28.27th	v3 (v2023.03.01)
May 21, 2024	0.05% (0.00049)	17.64th	v3 (v2023.03.01)
Sep 30, 2023	0.05% (0.00049)	15.62th	v3 (v2023.03.01)
Sep 29, 2023	0.04% (0.00042)	5.68th	v3 (v2023.03.01)