Cross-site scripting (XSS) vulnerability in upgrade.php in the Disqus Comment System plugin before 2.76 for WordPress allows remote attackers to inject arbitrary web script or HTML via the step parameter
Published Aug 19, 2014
4.3
MEDIUMCVSS 2.0
EPSS 6.09%
Description
Cross-site scripting (XSS) vulnerability in upgrade.php in the Disqus Comment System plugin before 2.76 for WordPress allows remote attackers to inject arbitrary web script or HTML via the step parameter.
Affected products
No data.
- ≤ 2.75
- 2.40
- 2.41
- 2.42
- 2.43
- 2.44
- 2.45
- 2.46
- 2.47
- 2.48
- 2.49
- 2.50
- 2.51
- 2.52
- 2.53
- 2.54
- 2.55
- 2.60
- 2.61
- 2.62
- 2.63
- 2.64
- 2.65
- 2.66
- 2.67
- 2.68
- 2.69
- 2.70
- 2.71
- 2.72
- 2.73
- 2.74
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
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 1, 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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.09% (0.06095) | 93.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.09% (0.06095) | 92.47th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.77% (0.01771) | 81.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.83% (0.06830) | 85.20th | v4 (v2025.03.14) |
| Mar 24, 2025 | 1.66% (0.01661) | 80.35th | v4 (v2025.03.14) |
| Mar 23, 2025 | 2.75% (0.02751) | 83.34th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.66% (0.01661) | 80.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00272) | 68.83th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.23% (0.00230) | 60.76th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.20% (0.00204) | 57.66th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.17% (0.00172) | 53.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00272) | 62.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://packetstormsecurity.com/files/127847/WordPress-Disqus-2.7.5-CSRF-Cross-Site-Scripting.html x_refsource_MISC
- http://seclists.org/fulldisclosure/2014/Aug/35 mailing-listx_refsource_FULLDISC
- http://www.securityfocus.com/bid/69205 vdb-entryx_refsource_BID
- https://wordpress.org/plugins/disqus-comment-system/other_notes x_refsource_CONFIRMPatch
- https://www.nikcub.com/posts/multiple-vulnerabilities-in-disqus-wordpress-plugin x_refsource_MISCExploit
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/127847/WordPress-Disqus-2.7.5-CSRF-Cross-Site-Scripting.html | x_refsource_MISC | |
| http://seclists.org/fulldisclosure/2014/Aug/35 | mailing-listx_refsource_FULLDISC | |
| http://www.securityfocus.com/bid/69205 | vdb-entryx_refsource_BID | |
| https://wordpress.org/plugins/disqus-comment-system/other_notes | x_refsource_CONFIRMPatch | |
| https://www.nikcub.com/posts/multiple-vulnerabilities-in-disqus-wordpress-plugin | x_refsource_MISCExploit |
Change history (0)
No recorded changes yet.