Thimo Grauerholz WP-Spreadplugin spreadplugin.php cross site scripting
A vulnerability classified as problematic was found in Thimo Grauerholz WP-Spreadplugin up to 3.8.6.1 on WordPress. This vulnerability affects unknown code of the file spreadplugin.php. The manipulation of the argument Spreadplugin leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 3.8.6.6 is able to address this issue. The name of the patch is a9b9afc641854698e80aa5dd9ababfc8e0e57d69. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-261676.
- Published
- Apr 21, 2024
- Updated
- Jun 16, 2026
- EPSS
- 0.5% · 40th percentile
- CWE
- CWE-79
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Report tools
Action score
14
Monitor
Low priority for now.
- CVSS
- 14 / 40 · 3.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VulDB
- 3.5
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| wordpress | thimo grauerholz wp-spreadplugin | cpe:2.3:a:wordpress:thimo_grauerholz_wp-spreadplugin |
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
Thimo Grauerholz WP-Spreadplugin
- 3.8.6.0, 3.8.6.1affected
Same product
thimo grauerholz: all recordsOther highest-scoring records for the same primary product.
- CVE-2024-49266WordPress WP-Spreadplugin plugin <= 4.8.9 - Cross Site Scripting (XSS) vulnerability23Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Thimo Grauerholz WP-Spreadplugin | 3.8.6.6 · description | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2024-49266178 days apartWordPress WP-Spreadplugin plugin <= 4.8.9 - Cross Site Scripting (XSS) vulnerability23Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- low · data or configuration can be modified
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- Low
- Availability impact
- None
Weakness class (CWE)
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
nvd-secondary
Root cause
User content is inserted into the page as HTML. The browser interprets the content as code rather than data.
The bug in code
The whole CWE-79 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
commentEl.innerHTML = comment.body;Fixed
commentEl.textContent = comment.body;Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
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Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- github.com/wp-plugins/wp-spreadplugin/commit/a9b9afc641854698e80aa5dd9ababfc8e0e57d69
- github.com/wp-plugins/wp-spreadplugin/releases/tag/3.8.6.6
- vuldb.com/?ctiid.261676
- vuldb.com/?id.261676
Vendor advisories and official records. Exploit/PoC links are deliberately left out.