Multiple cross-site scripting (XSS) vulnerabilities in the paste.httpexceptions implementation in Paste before 1.7.4 allow remote attackers to inject arbitrary web script or HTML via vectors involving a 404 status code, related to (1) paste.urlparser.StaticURLParser, (2) paste.urlparser.PkgResourcesParser, (3) paste.urlmap.URLMap, and (4) HTTPNotFound.
CVE-2010-2477
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 81.1%
- KEV
- Not listed
Published
November 6, 2010
Last Modified
April 29, 2026
References (18)
- secalert@redhathttp://bitbucket.org/ianb/paste/changeset/fcae59df8b56
- secalert@redhathttp://groups.google.com/group/paste-users/browse_thread/thread/3b3fff3dadd0b1e5?pli=1
- secalert@redhathttp://groups.google.com/group/pylons-discuss/msg/8c256dc076a408d8?dmode=source&output=gplain
- secalert@redhathttp://marc.info/?l=oss-security&m=127785414818815&w=2
- secalert@redhathttp://marc.info/?l=oss-security&m=127792576822169&w=2
- secalert@redhathttp://pylonshq.com/articles/archives/2010/6/paste_174_released_addresses_xss_security_hole
- secalert@redhathttp://secunia.com/advisories/42500
- secalert@redhathttp://www.securityfocus.com/bid/41160
- secalert@redhathttp://www.ubuntu.com/usn/USN-1026-1
- af854a3a-2127-422b-91ae-364da2661108http://bitbucket.org/ianb/paste/changeset/fcae59df8b56
- af854a3a-2127-422b-91ae-364da2661108http://groups.google.com/group/paste-users/browse_thread/thread/3b3fff3dadd0b1e5?pli=1
- af854a3a-2127-422b-91ae-364da2661108http://groups.google.com/group/pylons-discuss/msg/8c256dc076a408d8?dmode=source&output=gplain
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=oss-security&m=127785414818815&w=2
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=oss-security&m=127792576822169&w=2
- af854a3a-2127-422b-91ae-364da2661108http://pylonshq.com/articles/archives/2010/6/paste_174_released_addresses_xss_security_hole
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python-paste (1.7.2-4ubuntu1.2) @ lucid | 2026-05-29 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| paste | 0.3 ... 1.7.3.1 (31 versions) | 1.7.4 | — |
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 7× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 02:19 UTCEPSS rescore
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- 2026-05-29 09:49 UTCEG score recompute
- 2026-05-29 09:49 UTCVendor advisory
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2010-2477?
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How do I remediate CVE-2010-2477?
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