Dan Pascu python-cjson 1.0.5 does not properly handle a ['/'] argument to cjson.encode, which makes it easier for remote attackers to conduct certain cross-site scripting (XSS) attacks involving Firefox and the end tag of a SCRIPT element
Published Jul 2, 2010
5.3
MEDIUMCVSS 4.0
EPSS 1.35%
Description
Dan Pascu python-cjson 1.0.5 does not properly handle a ['/'] argument to cjson.encode, which makes it easier for remote attackers to conduct certain cross-site scripting (XSS) attacks involving Firefox and the end tag of a SCRIPT element.
Affected products
No data.
- 1.0.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.35% (0.01354) | 70.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.34% (0.01343) | 67.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00245) | 45.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00132) | 49.84th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.12% (0.00118) | 45.20th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.11% (0.00108) | 42.56th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.10% (0.00098) | 39.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00132) | 46.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (6)
- http://pypi.python.org/pypi/python-cjson x_refsource_MISC
- http://t3.dotgnu.info/blog/insecurity/quotes-dont-help.html x_refsource_MISC
- https://github.com/advisories/GHSA-95jp-77w6-qj52 Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/python-cjson/PYSEC-2010-26.yaml
- https://github.com/pypa/advisory-db/tree/main/vulns/python-cjson/PYSEC-2010-26.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2009-4924
Change history (0)
No recorded changes yet.