4.3

CVE-2009-0502: moodle Cross-site Scripting

CVSS: 4.3v2.0MediumModified
Published 10-02-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-0502 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in moodle. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 69.1% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 10-02-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Cross-site scripting (XSS) vulnerability in blocks/html/block_html.php in Snoopy 1.2.3, as used in Moodle 1.6 before 1.6.9, 1.7 before 1.7.7, 1.8 before 1.8.8, and 1.9 before 1.9.4, allows remote attackers to inject arbitrary web script or HTML via an HTML block, which is not properly handled when the "Login as" feature is used to visit a MyMoodle or Blog page.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.25%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.25% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Moodle1 product
  • moodle1.7.0 | 1.7.1 | 1.7.2 | 1.7.3 | 1.7.4 | 1.7.5 | 1.7.6 | 1.8.1 | 1.8.2 | 1.8.3 | 1.8.4 | 1.8.5 | 1.8.6 | 1.8.7 | 1.9.1 | 1.9.2 | 1.9.3
Snoopy1 product

2 vendors · 2 products

References

6 links